County · Iowa

Clinton County, Iowa

Clinton County, Iowa. Clinton County had 46,002 residents in 2025 by the Census Bureau's estimate, down 1.0% since 2020, while Iowa grew 1.5%. It holds 16 places (15 cities, villages and boroughs and 1 census-designated) and 12 census tracts. GEOID 19045.

Clinton County is the county of the Clinton, IA micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

46,002

Census Bureau estimate (no margin published)
2020 Census count: 46,460 · ACS 2020-2024: 46,268

Median household income

$66,981

±$2,735 (90% margin)
Iowa: $75,059

Median home value

$160,600

±$5,529 (90% margin)
Iowa: $208,000

Median gross rent

$850

±$61 (90% margin)
Iowa: $972

How many people live in Clinton County, and is it growing?

The 2020 Census counted 46,460 residents in Clinton County. The Census Bureau estimates 46,002 for July 1, 2025, down 1.0% since 2020, while Iowa grew 1.5%. The 2020-2024 American Community Survey puts the population at 46,268 over 695 square miles of land.

July 2020→2021 +66 (46,497)
2021→2022 −234 (46,263)
2022→2023 −154 (46,109)
2023→2024 −110 (45,999)
2024→2025 +3 (46,002)

Clinton County in Iowa. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Clinton County	Iowa	Change since 2015-2019
Total population	46,268	3,210,507	−641
Households	19,506±357	1,315,707	no clear change
Average household size	2.34±0.04	2.36	no clear change
Housing units	21,581±41	1,437,699	−445

Clinton County's population since 2000

From 50,149 in 2000 to 46,002 in 2025: down 8.3%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 50,149
2005 (estimate) 49,475
2010 Census 49,116
2015 (estimate) 47,593
2020 Census 46,460
2025 (estimate) 46,002

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Clinton County?

Clinton County holds 16 places: 15 cities, villages and boroughs (incorporated places) and 1 census-designated place. The largest is Clinton with 24,049 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Clinton County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Clinton	city	24,469	24,322±18	$60,230	$118,200	18.5%	100%
DeWitt	city	5,514	5,546±34	$92,587	$237,100	2.8%	100%
Camanche	city	4,570	4,550±22	$64,153	$172,400	11.5%	100%
Wheatland	city	775	925±352	$39,167	$119,100	2.5%	100%
Grand Mound	city	615	510±88	$82,143	$145,200	7.6%	100%
Delmar	city	542	480±117	$68,750	$147,500	4.2%	100%
Lost Nation	city	434	390±109	$57,000	$77,300	14.1%	100%
Charlotte	city	389	454±119	$61,711	$101,500	16.3%	100%
Calamus	city	356	417±140	$68,250	$148,100	2.9%	100%
Low Moor	city	250	253±86	$52,143	$118,300	19.1%	100%
Goose LakeGEOID 1931665	city	239	387±220	$76,875	$139,900	20.6%	100%
WeltonGEOID 1983370	city	121	114±40	$65,625	$120,300	2.6%	100%
AndoverGEOID 1902080	city	109	124±74	not published	$118,800	35.5%	100%
TorontoGEOID 1978600	city	102	87±38	$51,786	$103,100	5.7%	100%
Big RockGEOID 1906535	CDP	49	6±9	not published	not published	0.0%	31%
Maquoketa	city	6,128	6,075±26	$60,240	$132,500	14.2%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Clinton County?

The median resident of Clinton County is 42.4 years old; 22.9% are under 18 and 20.3% are 65 or older. The largest group is non-Hispanic white residents at 89.0%, then Hispanic or Latino residents (of any race) at 3.6%. 2.0% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Clinton County	Iowa	Change since 2015-2019
Median age	42.4±0.7	38.6	no clear change
Under 18 years	22.9%±0.1 pts	22.9%	–
65 years and over	20.3%±0.1 pts	18.1%	–
Hispanic or Latino (any race)	3.6%	7.3%	+0.5 pts
White alone, not Hispanic	89.0%±0.4 pts	82.3%	−2.1 pts
Black or African American alone, not Hispanic	3.1%±0.5 pts	3.8%	no clear change
Asian alone, not Hispanic	0.7%±0.2 pts	2.5%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.2%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.2%	–
Two or more races, not Hispanic	3.4%±0.8 pts	3.5%	–
Some other race alone, not Hispanic	0.1%±0.1 pts	0.3%	–
Born outside the United States	2.0%±0.7 pts	5.9%	no clear change
Speak a language other than English at home (age 5+)	2.9%±0.8 pts	9.1%	–
Civilian veterans (age 18+)	8.3%±0.9 pts	6.5%	–
With a disability	14.2%±1.2 pts	12.6%	–
No health insurance coverage	5.1%±1.0 pts	5.0%	+1.4 pts
High school graduate or higher (age 25+)	93.3%±0.9 pts	93.3%	–
Bachelor's degree or higher (age 25+)	22.4%±1.8 pts	31.4%	+4.5 pts
Graduate or professional degree (age 25+)	7.0%±1.1 pts	10.5%	–
Moved from another state in the past year	1.5%±0.4 pts	2.2%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Clinton County earn?

Half of Clinton County's 19,506 households earn less than $66,981 a year (±$2,735), against $75,059 in Iowa. In 2015-2019 it was $63,612 in 2024 dollars; the margins of error cannot tell the two periods apart. 13.2% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Clinton County	Iowa	Change since 2015-2019
Median household income	$66,981±$2,735	$75,059	no clear change
Mean household income	$88,373±$3,874	$98,187	–
Per capita income	$37,684±$1,488	$40,877	+$2,630
People below the poverty line	13.2%±1.8 pts	11.1%	no clear change
Children under 18 below the poverty line	17.0%±4.6 pts	12.9%	no clear change
Households receiving SNAP	12.8%±1.8 pts	8.8%	–
Households with a broadband subscription	87.2%±2.0 pts	88.9%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Clinton County?

Owners occupy 74.5% of Clinton County's occupied homes and renters 25.5%. The median owner-occupied home is valued at $160,600 by its owner (±$5,529). The median renter pays $850 a month including utilities, and 38.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Clinton County	Iowa	Change since 2015-2019
Median home value (owner-occupied)	$160,600±$5,529	$208,000	+$15,255
Median gross rent	$850±$61	$972	no clear change
Renters paying 35% or more of income on rent	38.2%±5.6 pts	35.2%	no clear change
Median monthly owner costs, with a mortgage	$1,334±$59	$1,533	–
Owner-occupied homes	74.5%±1.9 pts	71.7%	no clear change
Housing units	21,581±41	1,437,699	−445
Homeowner vacancy rate	0.5%±0.6 pts	0.8%	–
Rental vacancy rate	4.7%±2.6 pts	5.7%	–
Single-family detached homes	78.0%±2.1 pts	72.2%	–
Mobile homes	1.7%±0.5 pts	3.2%	–
Built 2020 or later	0.4%±0.2 pts	1.7%	–
Built 1939 or earlier	36.0%±1.9 pts	23.5%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Clinton County building?

Builders took permits for 85 new housing units across Clinton County in 2025 (37 single-family), 1.8 per 1,000 residents.

2019 90 units
2020 56 units
2021 67 units
2022 59 units
2023 85 units
2024 117 units
2025 85 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Clinton County get to work?

82.1% of Clinton County's workers drive alone and 6.8% work from home. The average trip to work takes 21.7 minutes. The unemployment rate in 2020-2024 averaged 3.4%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Clinton County	Iowa	Change since 2015-2019
In the labor force (age 16+)	61.1%±1.5 pts	66.4%	–
Unemployment rate	3.4%±0.9 pts	3.6%	no clear change
Drove alone to work	82.1%±2.1 pts	76.0%	–
Carpooled	6.0%±1.3 pts	7.8%	–
Public transportation	0.4%±0.3 pts	0.7%	–
Walked	2.7%±1.0 pts	2.9%	–
Worked from home	6.8%±1.2 pts	11.3%	no clear change
Mean travel time to work	21.7 min±1.1	19.8 min	+1.9 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Clinton County's census tracts?

Clinton County is divided into 12 census tracts. Among those with a reliable estimate, median household income runs from $34,181 (Tract 1) to $93,953 (Tract 9).

Census tracts of Clinton County, ACS 2020-2024 5-year estimates; sort by any column

Tract 119045000100	Clinton	2,641	2,761±354	$34,181	$72,500	$764	31.3%
Tract 219045000200	Clinton (94%)	1,621	1,441±275	$55,481	$75,700	$814	12.4%
Tract 319045000300	Clinton	4,725	4,068±517	$57,596	$89,200	$789	29.5%
Tract 419045000400	Clinton (96%)	3,857	3,805±341	$81,121	$170,200	$1,567	10.4%
Tract 519045000500	Clinton (96%)	4,376	4,937±437	$61,800	$170,100	$785	20.9%
Tract 619045000600	Clinton	3,597	3,308±395	$58,250	$111,500	$1,042	13.4%
Tract 719045000700	Clinton (94%)	3,644	3,961±404	$72,143	$161,700	$397	10.0%
Tract 819045000800	Camanche (68%)	5,322	5,211±214	$70,367	$178,500	$814	11.9%
Tract 919045000900	DeWitt (61%)	6,633	6,298±291	$93,953	$251,500	$958	2.5%
Tract 1019045001000	Wheatland (10%)	3,840	3,894±397	$83,949	$191,600	$878	5.5%
Tract 1119045001100	Lost Nation (11%)	2,293	2,313±241	$72,404	$155,100	$933	8.7%
Tract 1219045001200	Charlotte (4%)	3,911	4,271±337	$92,992	$216,200	$836	9.8%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Clinton County compare with Iowa's other counties?

Clinton County's rank among Iowa's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	12th of 99
Growth 2020-2025	47th of 99
Residents per square mile	17th of 99
Median household income	74th of 99
Median home value	50th of 99
Median gross rent	38th of 99
Poverty rate	21st of 99
Bachelor's degree or higher	48th of 99
Median age	44th of 99

Every county in Iowa

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Clinton County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.