• county
  • FIPS 19045
  • Largest town: Clinton

Clinton County, Iowa

Clinton County had 46,015 residents in the Census Vintage 2024 estimate, on 695.0 square miles of land. It ranks 12th of 99 in Iowa by population and 15th by land area.

Population
46,015
#12 of 99 in Iowa · #1,070 in US
Area
695.0 sq mi
#15 of 99 in Iowa · #1,343 in US
Density
66 / sq mi
#17 of 99 in Iowa · #1,222 in US
Median household income
$67,095
#56 of 99 in Iowa · #1,198 in US

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

Clinton County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Clinton County

Clinton County population, land area and income

Clinton County had 46,015 residents in the Census Vintage 2024 estimate, on 695.0 square miles of land. It ranks 12th of 99 in Iowa by population and 15th by land area. That works out to 66.2 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 Clinton County is 3.1 times that size.

Its SAIPE 2023 median household income of $67,095 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

46,015

3144th1st

1070th of 3,144 (US)

Land area

695 sq mi

3144th1st

1343rd of 3,144 (US)

Density

66.2 / sq mi

3144th1st

1222nd of 3,144 (US)

Median household income

$67,095

3143rd1st

1198th of 3,143 (US)

Rank within Iowa (99)

Population

46,015

99th1st

12th of 99 (IA)

Land area

695 sq mi

99th1st

15th of 99 (IA)

Density

66.2 / sq mi

99th1st

17th of 99 (IA)

Median household income

$67,095

99th1st

56th of 99 (IA)

How Clinton County's population changed since 2020

Clinton County lost 417 residents between the July 2020 and July 2024 estimates, a drop of 0.9%. That ranks 56th 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, Clinton County recorded 2,296 births and 2,746 deaths, a natural change of -450. Net international migration added +75 and net domestic migration, people moving to or from other US counties, came to -79. The largest single component was natural change, which removed 450 people.

46.4k202046.5k202146.3k202246.1k202346.0k2024
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
2,296
Deaths
2,746
Net international migration
+75
Net domestic migration
-79
Change, July 2023 to July 2024
-119

Where Clinton County is

The Census internal point of Clinton County is at 41.898100, -90.534200. 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 Clinton 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: Clinton County internal point. Dark pin: Des Moines.

Internal point

Decimal
41.898100, -90.534200
DMS
41°53'53.16"N 90°32'3.12"W
UTM
15N 704544.1E 4641402.7N
Geohash
9zrw7g740
Plus code
86HFVFX8+68

Towns in Clinton County

3 incorporated places of 1,000+ people have residents in Clinton County, 34,274 people together, or 74% of the county. Each figure counts only the part of the town inside Clinton County; towns marked "part" extend into another county. The largest is Clinton with 24,118.

  1. 01Clinton24,118
  2. 02DeWitt5,620
  3. 03Camanche4,536
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clinton County

The Census 2024 county adjacency file lists 7 neighbors for Clinton County, including 3 across a state line. The most populous is Scott County, IA, with 175,601 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 159.7 miles W of Clinton County's internal point in a straight line. The nearest place of 100,000 or more is Davenport, IA (population 100,938), 23.9 miles away. The nearest place of 10,000 or more is Clinton, IA (population 24,118), 15.5 miles away.

Clinton County FIPS code

The FIPS code of Clinton County is 19045: state code 19 for Iowa plus county code 045. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $67,095.

Questions people ask

What is the population of Clinton County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 46,015. That is down 417 people (0.9%) from the July 2020 estimate of 46,432.

What is the FIPS code of Clinton County?

19045. The first two digits (19) are Iowa; the last three (045) identify the county.

What is the largest town in Clinton County?

Clinton, with 24,118 residents inside Clinton County in 2024.

Which counties border Clinton County?

7 county-equivalents border it in the Census 2024 adjacency file: Scott County, IA; Rock Island County, IL; Whiteside County, IL; Jones County, IA; Jackson County, IA; Cedar County, IA; Carroll 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.