The Fort Madison–Keokuk, IA-IL-MO Micropolitan Statistical Area, as defined by the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, locally known as the "Tri-State" area, was an area consisting of three counties – one in southeast

Iowa Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...

, one in northeast

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

, and one in west central

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...

, anchored by the cities of

Fort Madison, Iowa Fort Madison is a city in and a county seat of Lee County, Iowa, United States along with Keokuk. Of Iowa's 99 counties, Lee County is the only one with two county seats. The population was 10,270 at the time of the 2020 census. Located alon ...

and

Keokuk, Iowa Keokuk is a city in and a county seat of Lee County, Iowa, United States. It is Iowa's southernmost city. The population was 9,900 at the time of the United States Census, 2020, 2020 census. The city is named after the Sauk people, Sauk chief K ...

. As of the 2010 census, the μSA had a population of 62,105. An estimate by the Census Bureau, as of July 1, 2012, placed the population at 61,477, a decrease of 1.01%. When the 2023 definitions were released this area was dissolved with Lee County, Iowa being included as part of the Burlington–Fort Madison, IA–IL Combined Statistical Area.

Counties

Clark County, Missouri Clark County is a County (United States), county located in the U.S. state of Missouri. As of the 2020 United States census, 2020 census, its population was 6,634. Its county seat is Kahoka, Missouri, Kahoka. The county was organized Decembe ...

Hancock County, Illinois Hancock County is a County (United States), county in the U.S. state of Illinois. According to the 2020 United States census, 2020 census, it has a population of 17,620. Its county seat is Carthage, Illinois, Carthage, and its largest city is H ...

Lee County, Iowa Lee County is the southernmost county in the U.S. state of Iowa. As of the 2020 census, the population was 33,555. The county seats are Fort Madison and Keokuk: It is the only county in Iowa with more than one county seat. Lee County is part ...

(Central county)

Communities

*Places with more than 10,000 inhabitants **

(Principal city) **

(Principal city) *Places with 1,000 to 5,000 inhabitants **

Carthage, Illinois Carthage is a city in and the county seat of Hancock County, Illinois, United States. Its population was 2,490 as of the 2020 census. Carthage is best known for being the site of the 1844 murder of Joseph Smith, who founded the Latter Day Saint ...

Dallas City, Illinois Dallas City is a city in Hancock County, Illinois, Hancock and Henderson County, Illinois, Henderson counties in the U.S. state of Illinois. The population in 2020 stands at an estimate of 805, a decline from the 2010 census of 945, which was a ...

Hamilton, Illinois Hamilton is a city in Hancock County, Illinois, Hancock County, Illinois, United States. The population was 2,753 at the 2020 census, a decline from 2,951 in 2010. The city is located directly across the Mississippi River from Keokuk, Iowa. Hami ...

La Harpe, Illinois La Harpe is a town in Hancock County, Illinois, Hancock County, Illinois, United States. The population was 1,175 at the 2020 United States census, 2020 census. History During the 18th century, French explorers headed by Bernard de la Harpe we ...

Kahoka, Missouri Kahoka is a city in and the county seat of Clark County, in the northeast tip of Missouri, United States. As of the 2020 census, its population was 1,961. History Kahoka was platted in 1858. The city is named for the historic Cahokia tribe o ...

Nauvoo, Illinois Nauvoo ( ; from the ) is a small city in Hancock County, Illinois, United States, on the Mississippi River near Fort Madison, Iowa. The population of Nauvoo was 950 at the 2020 United States census, 2020 census. Nauvoo attracts visitors for its h ...

Warsaw, Illinois Warsaw is a city in Hancock County, Illinois, Hancock County, Illinois, United States. The population was 1,510 at the 2020 census, a decline from 1,607 in 2010. The city is notable for its historic downtown. History The city of Warsaw began in 1 ...

*Places with 500 to 1,000 inhabitants **

Augusta, Illinois Augusta is a village in southeast Hancock County, Illinois, United States. The population was 553 at the 2020 census. It is located near Weinberg-King State Park. Geography Augusta is located in southeastern Hancock County at (40.230946, - ...

** Bowen, Illinois **

Donnellson, Iowa Donnellson ( ) is a city in Lee County, Iowa, Lee County, Iowa, United States. The population was 885 at the time of the 2020 United States census, 2020 census. It is part of the Fort Madison–Keokuk, IA-IL-MO Micropolitan Statistical Area, Fort ...

** Montrose, Iowa ** Plymouth, Illinois **

West Point, Iowa West Point is a city in Lee County, Iowa, United States. The population was 921 at the time of the 2020 census. It is part of the Fort Madison– Keokuk, IA- MO Micropolitan Statistical Area. History West Point was incorporated on March 25 ...

*Places with less than 500 inhabitants **

Alexandria, Missouri Alexandria is a city in eastern Clark County, Missouri, United States. As of the 2020 census, its population was 105. Alexandria is part of the Fort Madison-Keokuk micropolitan area. History Alexandria was founded in the 1830s. The community w ...

** Basco, Illinois **

Bentley, Illinois Bentley (formerly Sutton) is an incorporated town in southeast Hancock County, Illinois, United States. The population was 30 at the 2020 census. Geography Bentley is located in southeastern Hancock County at (40.343653, -91.111994). Illinois ...

** Elvaston, Illinois **

Ferris, Illinois Ferris is a village in Hancock County, Illinois, United States. The population was 127 at the 2020 census. Geography Ferris is located in north-central Hancock County at (40.468753, -91.169448). It is north of Carthage, the county seat. Accor ...

** Franklin, Iowa **

Houghton, Iowa Houghton is a city in Lee County, Iowa, Lee County, Iowa, United States. The population was 141 at the 2020 United States census, 2020 census. It is part of the Fort Madison–Keokuk, IA-IL-MO Micropolitan Statistical Area, Fort Madison-Keokuk Mi ...

** Luray, Missouri ** Pontoosuc, Illinois ** Revere, Missouri ** St. Paul, Iowa **

Wayland, Missouri Wayland is a city in Clark County, Missouri, United States. As of the 2020 census, its population was 408. It is part of the Fort Madison– Keokuk, IA-MO Micropolitan Statistical Area. History Wayland was laid out in 1880. The city was ...

** West Point, Illinois **

Wyaconda, Missouri Wyaconda is a city in Clark County, Missouri, Clark County, Missouri, United States. As of the 2020 United States census, 2020 census, its population was 214. The city was organized in 1888 and is named after a Siouan name for God or the Great ...

*Unincorporated places ** Adrian, Illinois ** Argyle, Iowa ** Breckenridge, Hancock County, Illinois **

Burnside, Illinois Burnside is an Unincorporated area#United States, unincorporated community in Pilot Grove Township, Hancock County, Illinois, Pilot Grove Township, Hancock County, Illinois, Hancock County, Illinois, United States. History Burnside was founded i ...

** Chili, Illinois **

Colusa, Illinois Colusa is an Unincorporated area#United States, unincorporated community in Dallas City Township, Hancock County, Illinois, Dallas City Township, Hancock County, Illinois, Hancock County, Illinois, United States. Colusa is south of Dallas City, ...

Denmark, Iowa Denmark is an unincorporated community and census-designated place in northeastern Lee County, Iowa, United States. It lies along Iowa Highway 16, north of the city of Fort Madison, the county seat of Lee County. Its elevation is above sea level ...

** Denver, Illinois ** Disco, Illinois ** Durham, Illinois ** Fountain Green, Illinois ** La Crosse, Illinois ** Niota, Illinois ** Pilot Grove, Iowa ** St. Patrick, Missouri ** Stillwell, Illinois ** Sutter, Hancock County, Illinois ** Tioga, Illinois **

Webster, Illinois Webster, Illinois may refer to: * Webster, Hancock County, Illinois * Webster, Iroquois County, Illinois {{disambig ...

** Wever, Iowa

Townships

Clark County, Missouri

Clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impuriti ...

Des Moines Des Moines is the List of capitals in the United States, capital and List of cities in Iowa, most populous city in the U.S. state of Iowa. It is the county seat of Polk County, Iowa, Polk County with parts extending into Warren County, Iowa, Wa ...

* Folker * Grant *

Jackson Jackson may refer to: Places Australia * Jackson, Queensland, a town in the Maranoa Region * Jackson North, Queensland, a locality in the Maranoa Region * Jackson South, Queensland, a locality in the Maranoa Region * Jackson oil field in Durham, ...

* Jefferson * Lincoln * Madison * Sweet Home * Union * Vernon *

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

* Wyaconda

Hancock County, Illinois

* Appanoose * Augusta * Bear Creek *

Carthage Carthage was an ancient city in Northern Africa, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the classic ...

* Chili * Dallas City * Durham * Fountain Green * Hancock *

Harmony In music, harmony is the concept of combining different sounds in order to create new, distinct musical ideas. Theories of harmony seek to describe or explain the effects created by distinct pitches or tones coinciding with one another; harm ...

* La Harpe * Montebello * Nauvoo * Pilot Grove * Pontoosuc *

Prairie Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the ...

* Rock Creek * Rocky Run *

Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...

* St. Albans *

St. Mary Mary was a first-century Jewish woman of Nazareth, the wife of Saint Joseph, Joseph and the mother of Jesus. She is an important figure of Christianity, venerated under titles of Mary, mother of Jesus, various titles such as Perpetual virginity ...

Walker Walker or The Walker may refer to: People *Walker (given name) *Walker (surname) *Walker (Brazilian footballer) (born 1982), Brazilian footballer Places In the United States *Walker, Arizona, in Yavapai County *Walker, Mono County, California * ...

Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...

* Wilcox *

Wythe A wythe is a continuous vertical section of masonry one unit in thickness. A wythe may be independent of, or interlocked with, the adjoining wythe(s). A single wythe of brick that is not structural in nature is referred to as a masonry veneer. ...

Lee County, Iowa

Cedar Cedar may refer to: Trees and plants *''Cedrus'', common English name cedar, an Old-World genus of coniferous trees in the plant family Pinaceae * Cedar (plant), a list of trees and plants known as cedar Places United States * Cedar, Arizona ...

* Charleston *

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

* Franklin * Green Bay * Harrison *

* Jefferson * Madison *

Marion Marion or MARION may refer to: Arts and entertainment *Marion (band), a British alternative rock group * ''Marion'' (miniseries), a 1974 miniseries * ''Marion'' (1920 film), an Italian silent film * ''Marion'' (2024 film), a UK short People a ...

* Montrose * Pleasant Ridge * Van Buren *

West Point The United States Military Academy (USMA), commonly known as West Point, is a United States service academies, United States service academy in West Point, New York that educates cadets for service as Officer_(armed_forces)#United_States, comm ...

Demographics

As of the

census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...

of 2000, there were 45,468 people, 18,127 households, and 12,327 families residing within the μSA. The racial makeup of the μSA was 94.99%

White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 2.36%

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.25% Native American, 0.34% Asian, 0.05%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...

, 0.90% from other races, and 1.11% from two or more races.

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race were 2.10% of the population. The median income for a household in the μSA was $32,825, and the median income for a family was $39,464. Males had a median income of $29,783 versus $20,869 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the μSA was $17,209.

References

{{DEFAULTSORT:Fort Madison Keokuk, Ia Il Mo Micropolitan Statistical Area Clark County, Missouri Geography of Lee County, Iowa Hancock County, Illinois Micropolitan areas of Illinois Micropolitan areas of Iowa Micropolitan areas of Missouri