• county
  • FIPS 19111
  • Largest town: Fort Madison

Lee County, Iowa

Lee County had 32,376 residents in the Census Vintage 2024 estimate, on 517.6 square miles of land. It ranks 22nd of 99 in Iowa by population and 67th by land area.

Population
32,376
#22 of 99 in Iowa · #1,386 in US
Area
517.6 sq mi
#67 of 99 in Iowa · #2,016 in US
Density
63 / sq mi
#18 of 99 in Iowa · #1,273 in US
Median household income
$60,053
#89 of 99 in Iowa · #1,835 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Lee County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Lee County

Lee County population, land area and income

Lee County had 32,376 residents in the Census Vintage 2024 estimate, on 517.6 square miles of land. It ranks 22nd of 99 in Iowa by population and 67th by land area. That works out to 62.6 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Iowa has 15,008 residents, so Lee County is 2.2 times that size.

Its SAIPE 2023 median household income of $60,053 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

32,376

3144th1st

1386th of 3,144 (US)

Land area

518 sq mi

3144th1st

2016th of 3,144 (US)

Density

62.6 / sq mi

3144th1st

1273rd of 3,144 (US)

Median household income

$60,053

3143rd1st

1835th of 3,143 (US)

Rank within Iowa (99)

Population

32,376

99th1st

22nd of 99 (IA)

Land area

518 sq mi

99th1st

67th of 99 (IA)

Density

62.6 / sq mi

99th1st

18th of 99 (IA)

Median household income

$60,053

99th1st

89th of 99 (IA)

How Lee County's population changed since 2020

Lee County lost 1,153 residents between the July 2020 and July 2024 estimates, a drop of 3.4%. That ranks 96th of 99 in Iowa for growth. The median Iowa county changed by -0.6%, and the state as a whole by +1.6%.

Since the April 2020 estimates base, Lee County recorded 1,404 births and 2,107 deaths, a natural change of -703. Net international migration added -7 and net domestic migration, people moving to or from other US counties, came to -478. The largest single component was natural change, which removed 703 people.

33.5k202033.3k202132.8k202232.5k202332.4k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,404
Deaths
2,107
Net international migration
-7
Net domestic migration
-478
Change, July 2023 to July 2024
-133

Where Lee County is

The Census internal point of Lee County is at 40.647600, -91.477200. It sits in UTM zone 15N. The map shades Iowa's 99 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Lee County outlined. Dots are towns of 1,000+ people with residents in it.

Monroe County: -2.9%Worth County: -1.7%Buena Vista County: +0.0%Jasper County: +0.8%Van Buren County: -0.0%Hardin County: -2.2%Ida County: -3.1%Marshall County: +0.8%Fayette County: -1.5%Ringgold County: -0.8%Wapello County: +1.0%Webster County: -0.2%Adams County: -2.8%Buchanan County: +0.6%Cerro Gordo County: -1.2%Lucas County: +1.6%Emmet County: -1.9%Floyd County: -3.8%Crawford County: -0.7%Linn County: +0.6%Montgomery County: -2.6%Polk County: +4.7%Cherokee County: +0.0%Bremer County: +1.3%Grundy County: +0.5%Adair County: -0.8%Cedar County: -1.4%Story County: +3.9%Mahaska County: -0.6%Davis County: +0.9%Clay County: +0.8%Johnson County: +4.6%Greene County: -1.0%Palo Alto County: -2.0%Benton County: +1.0%Cass County: -0.7%Wright County: -1.5%Audubon County: -2.1%Henry County: -5.3%Boone County: +0.1%Appanoose County: -1.4%Washington County: +0.4%Chickasaw County: -2.2%Poweshiek County: -0.9%Osceola County: -2.6%Wayne County: +1.8%Mitchell County: +0.4%Jefferson County: +0.5%Union County: -1.4%Butler County: -1.2%Hancock County: -1.3%Marion County: +1.9%Delaware County: +0.9%Humboldt County: +0.2%Sioux County: +1.8%Des Moines County: -1.1%O'Brien County: +0.8%Clayton County: -0.6%Black Hawk County: +1.0%Winnebago County: -2.6%Harrison County: +0.4%Decatur County: -1.0%Pocahontas County: -0.9%Lyon County: +3.8%Iowa County: -1.4%Franklin County: +0.3%Dickinson County: +2.2%Madison County: +3.2%Allamakee County: +0.8%Jones County: +2.2%Carroll County: -1.6%Kossuth County: -2.6%Hamilton County: -1.0%Howard County: -1.4%Page County: -1.1%Guthrie County: +1.5%Tama County: -1.8%Monona County: -3.6%Clarke County: -2.1%Lee County: -3.4%Mills County: +2.1%Sac County: -2.7%Scott County: +0.6%Keokuk County: -1.6%Jackson County: -0.3%Warren County: +7.1%Calhoun County: -1.9%Shelby County: +0.8%Fremont County: -1.1%Dubuque County: -0.1%Louisa County: -1.8%Taylor County: -0.6%Woodbury County: +1.2%Clinton County: -0.9%Winneshiek County: -1.6%Pottawattamie County: -0.1%Plymouth County: +0.5%Muscatine County: -2.4%Dallas County: +14.7%
Change 2020 to 2024
  1. < -1.9%
  2. < -1.0%
  3. < +0.0%
  4. < +0.9%
  5. ≥ +0.9%
no data

Orange pin: Lee County internal point. Dark pin: Des Moines.

Internal point

Decimal
40.647600, -91.477200
DMS
40°38'51.36"N 91°28'37.92"W
UTM
15N 628751.8E 4500753.2N
Geohash
9znznrsm6
Plus code
86GCJGXF+24

Towns in Lee County

2 incorporated places of 1,000+ people have residents in Lee County, 19,445 people together, or 60% of the county. Each figure counts only the part of the town inside Lee County; towns marked "part" extend into another county. The largest is Fort Madison with 9,983.

  1. 01Fort Madison9,983
  2. 02Keokuk9,462
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Lee County

The Census 2024 county adjacency file lists 6 neighbors for Lee County, including 3 across a state line. The most populous is Des Moines County, IA, with 38,411 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 128.5 miles WNW of Lee County's internal point in a straight line. The nearest place of 100,000 or more is Davenport, IA (population 100,938), 77.5 miles away. The nearest place of 10,000 or more is Burlington, IA (population 23,637), 21.6 miles away.

Lee County FIPS code

The FIPS code of Lee County is 19111: state code 19 for Iowa plus county code 111. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $60,053.

Questions people ask

What is the population of Lee County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 32,376. That is down 1,153 people (3.4%) from the July 2020 estimate of 33,529.

What is the FIPS code of Lee County?

19111. The first two digits (19) are Iowa; the last three (111) identify the county.

What is the largest town in Lee County?

Fort Madison, with 9,983 residents inside Lee County in 2024.

Which counties border Lee County?

6 county-equivalents border it in the Census 2024 adjacency file: Des Moines County, IA; Henry County, IA; Hancock County, IL; Van Buren County, IA; Clark County, MO; Henderson County, IL.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.