| County: | Keokuk County |
| State: | Iowa |
| Ex Image: | Keokuk County, Iowa Courthouse.jpg |
| Ex Image Size: | 240px |
| Ex Image Cap: | Courthouse in Sigourney is on the NRHP |
| Founded: | February 17, 1843 |
| Seat Wl: | Sigourney |
| Largest City: | Sigourney |
| Area Total Sq Mi: | 580 |
| Area Land Sq Mi: | 579 |
| Area Water Sq Mi: | 0.7 |
| Area Percentage: | 0.1 |
| Population As Of: | 2020 |
| Population Total: | 10033 |
| Population Density Sq Mi: | auto |
| Time Zone: | Central |
| Web: | https://www.keokukcountyia.com/ |
| District: | 2nd |
| Named For: | Keokuk (Sauk leader) |
Keokuk County is a county located in the U.S. state of Iowa. As of the 2020 United States Census, the population was 10,033.[1] The county seat is Sigourney.[2]
Keokuk County was formed in 1837. It was named for Keokuk, the leader of the Sauk tribe, who advocated peace with the white settlers. In May 1843, the county opened for public settlement, with its judicial and regulatory duties assigned to the existing Washington County. Its governing structure was created in 1844, although the seat was not decided (for Sigourney) until 1856.[3]
Keokuk County is unusual in that it has two county fairs. The Keokuk County Fair is held in What Cheer[4] and immediately followed by the Keokuk County Expo[5] which is held in Sigourney.
The Keokuk County Courthouse was built in 1911, in Sigourney's Public Square Historic District. It has been listed on the National Register of Historic Places since 1981.
According to the United States Census Bureau, the county has a total area of, of which is land and (0.1%) is water.[6] The South Branch of the Skunk River drains the topography, flowing eastward through the lower portion of the county.[7]
The 2020 census recorded a population of 10,033 in the county, with a population density of . 96.81% of the population reported being of one race. 93.01% were non-Hispanic White, 0.51% were Black, 2.14% were Hispanic, 0.15% were Native American, 0.16% were Asian, 0.00% were Native Hawaiian or Pacific Islander and 4.03% were some other race or more than one race. There were 4,654 housing units, of which 4,174 were occupied.[1]
The 2010 census recorded a population of 10,511 in the county, with a population density of . There were 4,931 housing units, of which 4,408 were occupied.[8]
As of the 2000 United States Census,[9] there were 11,400 people, 4,586 households, and 3,155 families in the county. The population density was 20/mi2. There were 5,013 housing units at an average density of 9/mi2. The racial makeup of the county was 99.00% White, 0.07% Black or African American, 0.11% Native American, 0.23% Asian, 0.02% Pacific Islander, 0.21% from other races, and 0.36% from two or more races. 0.54% of the population were Hispanic or Latino of any race.
There were 4,586 households, out of which 30.50% had children under the age of 18 living with them, 59.00% were married couples living together, 6.50% had a female householder with no husband present, and 31.20% were non-families. 27.80% of all households were made up of individuals, and 15.80% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.99.
The county population contained 25.70% under the age of 18, 7.00% from 18 to 24, 25.50% from 25 to 44, 21.60% from 45 to 64, and 20.20% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.10 males. For every 100 females age 18 and over, there were 91.80 males.
The median income for a household in the county was $34,025, and the median income for a family was $41,818. Males had a median income of $28,306 versus $22,083 for females. The per capita income for the county was $17,120. About 7.50% of families and 10.10% of the population were below the poverty line, including 12.90% of those under age 18 and 10.50% of those age 65 or over.
For most of its history, Keokuk County has backed Republican Party candidates in presidential elections, with Democratic Party candidates only winning the county in eight presidential elections from 1896 on. Bill Clinton is the most recent Democratic presidential candidate to win the county (1996), while in 2016 his wife, Hillary Clinton, had the worst performance by a Democrat since 1924, only winning 26.9 percent of the vote. 2016 Republican candidate Donald Trump made a significant gain compared to his party's 2012 candidate Mitt Romney.
The population ranking of the following table is based on the 2020 census of Keokuk County.[1]
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) | |
|---|---|---|---|---|
| 1 | † Sigourney | City | 2,004 | |
| 2 | North English (mostly in Iowa County) | City | 1,065 | |
| 3 | Keota | City | 897 | |
| 4 | Hedrick | City | 728 | |
| 5 | What Cheer | City | 607 | |
| 6 | Richland | City | 542 | |
| 7 | Keswick | City | 242 | |
| 8 | South English | City | 202 | |
| 9 | Ollie | City | 201 | |
| 10 | Harper | City | 118 | |
| 11 | Martinsburg | City | 110 | |
| 12 | Webster | City | 94 | |
| 13 | Kinross | City | 80 | |
| 14 | Thornburg | City | 45 | |
| 15 | Hayesville | City | 41 |
School districts include:[10]
Former school districts: