Keokuk, Iowa

Keokuk population, 2020 to 2024

Keokuk lost 431 residents from July 2020 to July 2024, a change of -4.4%. In the latest year it moved by -43. Among 85 Iowa places of 5,000 or more, that growth ranks 84th; the median place changed by +1.1%. The median place of 5,000+ in Iowa has 9,511 people, so Keokuk is 99% of it.

Keokuk covers 9.10 square miles of land and 1.45 of water, for 1,040 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Keokuk is less dense than the typical town.

What county Keokuk is in

All of Keokuk's residents live in Lee County, which had 32,376 residents in 2024. Keokuk holds 29.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Keokuk

1 ZIP Code Tabulation Area (ZCTA) overlaps Keokuk by at least 10% of the ZCTA's or the city's land: 52632. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Keokuk is

The Census internal point of Keokuk is at 40.409500, -91.402500. Des Moines, the capital, is 140.9 miles NW in a straight line. The nearest larger place is Fort Madison, IA (9,983 people), 14.9 miles away. The nearest city of 100,000 or more is Davenport, IA, 89.5 miles away.

Daylight in Keokuk

At 40.41° N, Keokuk gets about 15 h 04 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Keokuk

The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Fort Madison, 14.9 miles away, with 9,983 people.