Clinton County, IA demographics:
population, income, and more

Total population
46,268
-0.2% year-over-year change
Median household income
$66,981/yr
2.8% year-over-year change
Housing units
21,581
-0.0% year-over-year change

Clinton County population

How many people live in Clinton County

Clinton County is home to 46,268 residents, according to the most recent Census data. Gender-wise, 49.3% of Clinton County locals are male, and 50.7% are female.

Total population
46,268
-0.2% year-over-year change
Gender ratio
Male
49.3%
22,825
Female
50.7%
23,443
Value Percent YoY change
Male 22,825 49.3% -0.1%
Female 23,443 50.7% -0.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Clinton County is 42, with the population distributed as follows: about 18.9% are children under 15, then 11.4% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.8% of the population, while another 26.7% fall into the 45 to 64 bracket. Finally, around 20.3% are 65 or older.

Median age
42.4
Age breakdown
Under 15
18.9%
15 to 24
11.4%
25 to 44
22.8%
45 to 64
26.7%
Over 65
20.3%
Value Percent YoY change
Under 15 8,739 18.9% -0.4%
15 to 24 5,263 11.4% -2.2%
25 to 44 10,539 22.8% 1.2%
45 to 64 12,349 26.7% -1.3%
Over 65 9,378 20.3% 0.8%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Clinton County, 97.5% of the population are US-born citizens, while 1.9% have gained naturalized citizenship. At the same time, 0.6% of residents are non-citizens. As for race, 89.5% of locals are Caucasian, 3.1% are African American and 0.7% have Asian roots. There’s also a share of 5.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.5%
Non-U.S.-born citizens
1.9%
Non-citizens
0.6%
Value Percent YoY change
U.S.-born citizens 45,108 97.5% -0.2%
Non-U.S.-born citizens 859 1.9% 5.0%
Non-citizens 301 0.6% -15.2%
Racial breakdown
White
89.5%
Black or African American
3.1%
American Indian and Alaska Native
0.3%
Asian
0.7%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.9%
Other
0.6%
Value Percent
White 41,393 89.5%
Black or African American 1,434 3.1%
American Indian and Alaska Native 126 0.3%
Asian 310 0.7%
Two or more races 2,726 5.9%
Other 279 0.6%

Households in Clinton County

A peek inside Clinton County households

Clinton County has 19,506 households, with an average of 2 members in each. Of these, 62% are families, while the remaining 38% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
19,506
0.4% year-over-year change
Average people per household
2
Non-family households
7,418
Family households
12,088
Value Percent YoY change
Non-family households 7,418 38% 3.4%
Family households 12,088 62% -1.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Clinton County

The housing landscape of Clinton County

Clinton County's housing consists of 21,581 units, with 78% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.7% of the housing landscape.

Housing units
21,581
-0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 16,828 78%
1 unit, attached 701 3.2%
2 units 319 1.5%
3 or 4 units 1,180 5.5%
5 to 9 units 599 2.8%
10 to 19 units 901 4.2%
20 to 49 units 476 2.2%
50 or more units 212 1%
Mobile home 359 1.7%
Boat, RV, van, etc. 6 0%
Homes built since 2020
96
50.0% year-over-year change

The age of buildings in Clinton County

In Clinton County, the median construction year is 1957. About 36% of homes were built before the 1940s, with another 5% going up by 1949. Most development happened in the second half of the 20th century. Then, 6.7% of homes were added from 2000 to 2009, 4.8% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 7,773 36% 6.5%
Built between 1940 and 1949 1,089 5% 5.0%
Built between 1950 and 1959 2,597 12% -14.6%
Built between 1960 and 1969 2,127 9.9% -2.9%
Built between 1970 and 1979 3,086 14.3% 3.1%
Built between 1980 and 1989 1,032 4.8% 2.1%
Built between 1990 and 1999 1,299 6% -7.0%
Built between 2000 and 2009 1,440 6.7% -10.3%
Built between 2010 and 2019 1,042 4.8% 9.4%
Built in 2020 or later 96 0.4% 50.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Clinton County occupancy rates

Out of the 19,506 occupied housing units in Clinton County, 74.6% are owner-occupied, while 25.4% are lived in by tenants. Meanwhile, 9.6% of all homes on the local market sit vacant.

Occupied housing units
19,506
0.4% year-over-year change
Occupancy breakdown
Renter occupied
4,965
Owner occupied
14,541
Value Percent YoY
change
Renter occupied 4,965 25.4% -4.9%
Owner occupied 14,541 74.6% 2.3%
Unoccupied housing units
9.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Clinton County housing costs

Housing costs in Clinton County come to a median of $939 per month, while tenants specifically pay a median gross rent of $850.

Median housing costs per month
$939/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Clinton County
$850/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Clinton County

Clinton County education at a glance

About 42% of the population in Clinton County went to high school, while 23% pursued college studies. Another 13.1% earned an associate degree and 14.3% hold a bachelor’s. Meanwhile, 6.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 456 1.3% -14.3%
High school diploma 14,993 42% -1.9%
College diploma 8,196 23% 1.7%
Associate degree 4,669 13.1% -0.8%
Bachelor's degree 5,091 14.3% -0.9%
Graduate degree 2,281 6.4% 6.8%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Clinton County

How much people earn in Clinton County

The average annual household income in Clinton County was $88,373 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $66,981, reflecting a +2.8% shift over the same period.

Average household income in Clinton County
$88,373/year
4.0% year-over-year change
Median household income in Clinton County
$66,981/year
2.8% year-over-year change

Clinton County income by age

In Clinton County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $78,070. Those with someone between 45 and 64 in charge, often well established professionally, earn $81,710 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $40,457, while those led by someone over 65, many of whom may be retired, have about $51,256 in earnings. Overall, 86.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $40,457 10.3%
25 - 44 $78,070 -1.2%
45 - 64 $81,710 3.9%
Over 65 $51,256 6.2%
Above poverty level
38,844
Below poverty level
5,917
Value Percent YoY
change
Above poverty level 38,844 86.8% -0.6%
Below poverty level 5,917 13.2% 1.1%

Employment in Clinton County

Workforce and job types in Clinton County

The job market in Clinton County is powered by 21,747 working residents, spread across a range of industries and roles. 65.7% of the working population are employed in professional or administrative positions, while 34.3% are in hands-on or service-based jobs. Also, 10.8% run their own businesses, 68.9% are employed by private companies, and 13.1% work in the public sector.

Workforce demographics

Working population
21,747
-0.2% year-over-year change
White collar
14,286
Blue collar
7,461
Value Percent YoY change
White collar 14,286 65.7% -1.5%
Blue collar 7,461 34.3% 2.5%
Employer type
Self employees
10.8%
Private companies
68.9%
Governmental workers
13.1%
Not for profit companies
7.2%
Value Percent YoY change
Self employees 2,349 10.8% 0.6%
Private companies 14,976 68.9% 1.5%
Governmental workers 2,850 13.1% 2.6%
Not for profit companies 1,572 7.2% -17.8%
Unemployment rate
3.4%
-12.2% year-over-year change

Available workforce

The unemployment rate in Clinton County stands at 3.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Clinton County

How people get around in Clinton County

In Clinton County, the average commute time is 22 minutes. Commuting methods vary: 88.1% of residents travel by personal vehicle and 2.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
22 min
2.8% year-over-year change
Means of transportation
Value Percent YoY change
Car 18,810 88.1% -2.0%
Taxicab 66 0.3% 0.0%
Bus or trolleybus 77 0.4% -1.3%
Motorcycle 127 0.6% 0.0%
Bicycle 43 0.2% -8.5%
Walk 584 2.7% 39.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Clinton County by zipcode?

Zipcode Population Number of households Median income Average income
52323 942 405 $41,425 $53,110
52037 1,172 435 $90,813 $93,403
52060 8,007 3,558 $68,143 $84,989
52064 685 322 $74,583 $110,444
52069 1,743 745 $75,313 $79,731
52070 990 436 $79,271 $83,872
52701 124 54 $0 $77,983
52207 256 130 $59,250 $63,108
52254 1,004 436 $64,375 $69,382
52727 398 147 $103,188 $112,103

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FAQs about Clinton County demographics 

What is the total population of Clinton County?

Clinton County has a total population of 46,268 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.2% compared to a year ago.

What is the gender ratio in Clinton County?

The gender ratio in Clinton County is as follows:
  • 49.3% males (22,825 residents)
  • 50.7% females (23,443 residents)

What is the median age in Clinton County?

The median age in Clinton County is 42.4.

What is the age distribution of the population in Clinton County?

The age distribution in Clinton County is as follows:
  • Under 15: 18.9% (8,739 residents)
  • Ages 15-24: 11.4% (5,263 residents)
  • Ages 25-44: 22.8% (10,539 residents)
  • Ages 45-64: 26.7% (12,349 residents)
  • Over 65: 20.3% (9,378 residents)

What is the racial and ethnic makeup of Clinton County?

The racial and ethnic makeup of Clinton County is as follows:
  • White: 89.5% (41,393 residents)
  • Black or African American: 3.1% (1,434 residents)
  • American Indian and Alaska Native: 0.3% (126 residents)
  • Asian: 0.7% (310 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 5.9% (2,726 residents)
  • Other: 0.6% (279 residents)

What percentage of the population in Clinton County are U.S.-born citizens?

U.S.-born citizens represent 97.5% of the population in Clinton County.

How many housing units are there in Clinton County?

There are 21,581 housing units in Clinton County, reflecting a -0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Clinton County and what is the average household size?

Clinton County has a total of 19,506 households, with an average of 2 people in each.

What is the median household income in Clinton County?

Clinton County has a median household income of $66,981, representing a +2.8% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Clinton County?

The employment rate is 96.6% in Clinton County, with a workforce of 21,747 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 65.7% (14,286 residents)
  • Blue-collar workers: 34.3% (7,461 residents)

Places of employment:
  • Self-employed: 10.8% (2,349 residents)
  • Private companies: 68.9% (14,976 residents)
  • Governmental workers: 13.1% (2,850 residents)
  • Not-for-profit companies: 7.2% (1,572 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025