Keokuk Population

1850–2026

9,417

2026 projection

4.9% since 2020 (decrease)

05K10K15K20K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Keokuk. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20269,417-930.98%
20259,510-60.06%
20249,516+30.03%
20239,513-660.69%
20229,579-2012.06%
20219,780-1201.21%
20209,900-570.57%
20199,957-1241.23%
201810,081-1141.12%
201710,195-90.09%

Showing 10 of 33 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Keokuk has a population change about the same as Lee County, and lower than Iowa and the U.S.

  • United States+3.1%
  • Iowa+1.5%
  • Lee County−3.6%
  • Keokuk−3.8%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Keokuk Demographics

43.1median age

Median age

Female44.1 yrs
Male42.1 yrs

Adults

7,577
2,065 seniors (65+) · 27% of adults5,512 other adults

Sex

Female 53.1% · 5,135Male 46.9% · 4,527

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 97 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Keokuk Income

$52,711median household income

Median household income

$52,711

Half of households earn more, half earn less

Median earnings

$35,511

Typical yearly pay for a worker 25 or older.

Poverty rate

18.3%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Keokuk Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%44%39%
Never married32%36%29%
Divorced17%16%19%
Widowed8%3%13%
Separated1%2%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201