12th most populous of 99
With 46,015 residents in 2024, Clinton County ranks 12th by population among Iowa's 99 counties and is home to 1.4% of the state's residents.
Clinton County is home to 46,015 people (2024 estimate) on 695 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Key indicators
Population
46,015
July 1, 2024 estimate
2020 Census base
46,460
April 1, 2020
Change since 2020
−1.0%
2020–2024
Land area
695 mi²
1,800 km²
Population density
66.2 /mi²
2024 estimate ÷ land area
Births
553
Year to July 1, 2024
Deaths
658
Year to July 1, 2024
Natural change
−105
Births minus deaths, 2024
Net migration
−13
Domestic + international, 2024
Per capita personal income
$55,587
BEA, 2024
Gross domestic product
$3.0 billion
BEA, current dollars, 2024
Median household income
$66,981
ACS 2020–2024 5-year
Poverty rate
13.2%
ACS 2020–2024 5-year
Bachelor’s degree or higher
22.4%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
2.0%
ACS 2020–2024 5-year
Median home value
$160,600
ACS 2020–2024 5-year
Unemployment rate
4.0%
BLS annual average, 2024
Historical data
Pick an indicator to see its long-run evolution.
Population
2000–202446,015▼ 8%
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
Data summary
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 46,015 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 49,116 | 2010 · U.S. Census Bureau |
| Population, 2000 | 50,120 | July 1, 2000 · Census intercensal |
| Change since 2000 | −8.2% | 2000–2024 · Census |
| International migration | +28 | 2024 · Census Vintage 2024 |
| Domestic migration | −41 | 2024 · Census Vintage 2024 |
| Birth rate | 12.0 per 1,000 | 2024 · calculated |
| Death rate | 14.3 per 1,000 | 2024 · calculated |
| Population rank in Iowa | 12th of 99 | 2024 · calculated |
| Per capita personal income | $55,587 | BEA, 2024 · official |
| Gross domestic product | $3.0 billion | BEA, current dollars, 2024 · official |
| Median household income | $66,981 | ACS 2020–2024 5-year · official |
| Poverty rate | 13.2% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 22.4% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 2.0% | ACS 2020–2024 5-year · official |
| Median home value | $160,600 | ACS 2020–2024 5-year · official |
| Median gross rent | $850/month | ACS 2020–2024 5-year · official |
| Median age | 42.4 years | ACS 2020–2024 5-year · official |
| Households | 19,506 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 74.5% | ACS 2020–2024 5-year · official |
Clinton County in context
Comparable indicators for Clinton County, Iowa and the United States.
| Indicator | County | Iowa | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −1.0% | +1.6% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 12.0 | 11.2 | 10.6 | 2024 |
| Death rate (per 1,000) | 14.3 | 10.0 | 9.1 | 2024 |
| Net migration rate (per 1,000) | -0.3 | 5.9 | 8.2 | 2024 |
| Population density (/mi²) | 66.2 | 58.0 | 96.3 | 2024 |
| Per capita personal income | $55,587 | $65,225 | $73,204 | BEA, 2024 |
| Median household income | $66,981 | $75,059 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 13.2% | 11.1% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 22.4% | 31.4% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 2.0% | 5.9% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $160,600 | $208,000 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $850/month | $972/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 42.4 years | 38.6 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 74.5% | 71.7% | 65.2% | ACS 2020–2024 5-year |
Did you know? Clinton County
A quarter century of change
Its population went from 50,120 in 2000 to 46,015 in 2024, a change of −8.2%, compared with +10.7% for Iowa as a whole.
Births and deaths
In the year to July 2024 the county recorded 553 births and 658 deaths, so deaths outnumbered births by 105.
Peak population in 2000
Annual Census estimates since 2000 put the county's highest population at 50,120 in 2000. The 2024 figure is 4,105 lower.
17th in density
Clinton County has about 66.2 residents per square mile of land, ranking 17th of 99 counties; Iowa averages 58.0.
Household income rank
With a median household income of $66,981 (ACS 2020–2024 5-year), the county ranks 74th of 99 Iowa counties; the state median is $75,059.
Size of the economy
Its economy produced $3.0 billion of GDP in 2024 (BEA), 14th largest among 99 Iowa counties.
Latest economic growth
Real GDP grew 0.7% in 2024, adjusted for inflation (BEA, chained 2017 dollars).
Sources and methodology
- U.S. Census Bureau — County population totals and components, Vintage 2024
- U.S. Census Bureau — County estimates 2010–2020
- U.S. Census Bureau — Intercensal estimates 2000–2010
- U.S. Census Bureau — Gazetteer files (land area)
- U.S. Census Bureau — American Community Survey 2020–2024 5-year
- U.S. Bureau of Economic Analysis — Regional economic accounts
- U.S. Bureau of Labor Statistics — LAUS