How many people live in Keokuk County, IA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 9,900 people living in Keokuk County, IA. That makes Keokuk County the 74th-most populous county in Iowa. It is home to 0.3% of people living in the state.
9.86K
population of Keokuk County, IA (2024)
0.3%
County share of the Iowa population (2024)
About 9,900 people lived in Keokuk County, IA in 2024.
Population estimates, 2000–2024
What are Keokuk County, IA’s age demographics?
About 2,300 Keokuk County residents are aged 65 and older in 2024. That represents 23.6% of its population. For comparison, the age group represents 18.9% of Iowa’s population and 18% in the US overall.
Another 2,200 Keokuk County residents, or 22.2% of the population, were children under 18. For comparison, the age group represents 22.5% of Iowa’s population and 21.6% in the US overall.
A higher share of Keokuk County, IA's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Keokuk County, IA’s racial and ethnic demographics?
Non-Hispanic white residents make up 94.6% of the Keokuk County population, higher than the national share of 57.5%.
In contrast, Keokuk County’s Hispanic population accounts for 2.5%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.81% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Keokuk County, IA has a higher share of a non-Hispanic white population than Iowa as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Keokuk County, IA is Sigourney with about 2,000 residents in 2024.
Cities and towns in Keokuk County, IA ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Sigourney | 1,974 |
| 2. | Keota (pt.) | 888 |
| 3. | Hedrick | 717 |
| 4. | What Cheer | 595 |
| 5. | Richland | 532 |
| 6. | Delta | 257 |
| 7. | Keswick | 238 |
| 8. | Ollie | 196 |
| 9. | South English | 196 |
| 10. | Harper | 117 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
