Clinton County, Iowa Demographics 2026

Name: Clinton County, Iowa Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Clinton County, Iowa has a population of 46,268, the 12th most populous county in Iowa. The median household income is $66,981 and the median home value is $160,600. The poverty rate is 13.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Clinton County Quick Facts

Population 46,268

Median Household Income $66,981

Median Home Value $160,600

Poverty Rate 13.2%

Unemployment Rate 3.4%

Median Age 42.4 years

Homeownership Rate 74.6%

Affordability Ratio 2.4x

Bachelor's Degree+ 22.4%

High School Graduation 93.3%

Cities/Places 15

Population 46,268 12th of 99

Median Income $66,981 11% lower than state

Poverty Rate 13.2%

Unemployment 3.4%

How Clinton County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	46,383	46,268	-0.2%
Median household income	$65,177	$66,981	+2.8%
Median home value	$153,800	$160,600	+4.4%

Median Household Income

Clinton

$66,981

$75,059

National

$80,734

Median Home Value

Clinton

$160,600

$208,000

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 16.2%

$25K-$50K 20.4%

$50K-$100K 31.9%

$100K+ 31.6%

Detailed income brackets

Under $10K

4.0%

$10K-$15K

4.5%

$15K-$20K

3.6%

$20K-$25K

4.1%

$25K-$30K

4.2%

$30K-$35K

4.8%

$35K-$40K

4.7%

$40K-$45K

3.1%

$45K-$50K

3.6%

$50K-$60K

7.0%

$60K-$75K

11.8%

$75K-$100K

13.1%

$100K-$125K

10.5%

$125K-$150K

6.2%

$150K-$200K

8.3%

$200K+

6.6%

Employment

3.4% Unemployment Rate State: 3.6%|National: 5.2%

61.1% Labor Force Participation

Housing Overview

Owner 74.6%

Renter 25.4%

Affordability Index Very Affordable

2.4x home value to income ratio

Median gross rent $850/mo 15.2% of median household income annually

People & Demographics

Age Distribution

Under 18

22.9%

18-34

18.3%

35-54

23.8%

55-74

26.5%

75+

8.5%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 31 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Clinton County

City	Population	Median Income	Poverty	Home Value
Clinton	24,322	$60,230	18.5%	$118,200
Maquoketa	6,075	$60,240	14.2%	$132,500
DeWitt	5,546	$92,587	2.8%	$237,100
Camanche	4,550	$64,153	11.5%	$172,400
Wheatland	925	$39,167	2.5%	$119,100
Grand Mound	510	$82,143	7.6%	$145,200
Delmar	480	$68,750	4.2%	$147,500
Charlotte	454	$61,711	16.3%	$101,500
Calamus	417	$68,250	2.9%	$148,100
Lost Nation	390	$57,000	14.1%	$77,300
Goose Lake	387	$76,875	20.6%	$139,900
Low Moor	253	$52,143	19.1%	$118,300
Andover	124	N/A	35.5%	$118,800
Welton	114	$65,625	2.6%	$120,300
Toronto	87	$51,786	5.8%	$103,100

Explore Iowa Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Clinton County is located in Iowa with a total population of 46,268. It is the 12th most populous county out of 99 in Iowa. The county encompasses 15 Census-designated places.

Age Demographics

The median age in Clinton County is 42.4 years. This is 10% higher than the state median of 38.6 years.

Economy, Income & Housing

The median household income in Clinton County is $66,981. This is 11% lower than the state median of $75,059. It is also 17% lower than the national median of $80,734. The poverty rate stands at 13.2%. This is 19% higher than the state poverty rate of 11.1%. The unemployment rate is 3.4%. This is 6% lower than the state rate of 3.6%. The median home value is $160,600. Housing costs are 23% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.4x, Clinton County is one of the most affordable housing markets in the area. 74.6% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 71.7%.

Race & Ethnicity

Clinton County has a predominantly White (non-Hispanic) population, comprising 89.0% of all residents. Hispanic or Latino residents account for 3.6%. The Hispanic or Latino population (3.6%) is well below the state average of 7.3%. The Asian population (0.7%) is well below the state average of 2.5%.

Education

22.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.3%.

Data Sources & Methodology

All figures for Clinton County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Iowa and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Clinton County, Iowa?

Clinton County has a population of 46,268, making it the 12th most populous county in Iowa.

What is the median income in Clinton County?

The median household income in Clinton County is $66,981 with a poverty rate of 13.2%.

How many cities are in Clinton County, Iowa?

Clinton County contains 15 Census-designated places.