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

Total population
9,662
-0.3% year-over-year change
Median household income
$71,641/yr
7.2% year-over-year change
Housing units
4,522
2.8% year-over-year change

Clarke County population

How many people live in Clarke County

Clarke County is home to 9,662 residents, according to the most recent Census data. Gender-wise, 51% of Clarke County locals are male, and 49% are female.

Total population
9,662
-0.3% year-over-year change
Gender ratio
Male
51%
4,923
Female
49%
4,739
Value Percent YoY change
Male 4,923 51% -1.2%
Female 4,739 49% 0.7%
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 Clarke County is 38, with the population distributed as follows: about 21.3% are children under 15, then 13.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.8% of the population, while another 23.7% fall into the 45 to 64 bracket. Finally, around 19.9% are 65 or older.

Median age
37.9
Age breakdown
Under 15
21.3%
15 to 24
13.3%
25 to 44
21.8%
45 to 64
23.7%
Over 65
19.9%
Value Percent YoY change
Under 15 2,059 21.3% 1.6%
15 to 24 1,282 13.3% 2.9%
25 to 44 2,110 21.8% -0.1%
45 to 64 2,287 23.7% -4.6%
Over 65 1,924 19.9% 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 Clarke County, 92% of the population are US-born citizens, while 5.3% have gained naturalized citizenship. At the same time, 2.7% of residents are non-citizens. There’s also a share of 7.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92%
Non-U.S.-born citizens
5.3%
Non-citizens
2.7%
Value Percent YoY change
U.S.-born citizens 8,893 92% -2.0%
Non-U.S.-born citizens 509 5.3% 21.8%
Non-citizens 260 2.7% 30.6%
Racial breakdown
White
80.5%
Black or African American
0%
American Indian and Alaska Native
1%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.3%
Other
10.6%
Value Percent
White 7,781 80.5%
Black or African American 5 0%
American Indian and Alaska Native 97 1%
Asian 54 0.6%
Two or more races 703 7.3%
Other 1,022 10.6%

Households in Clarke County

A peek inside Clarke County households

Clarke County has 4,071 households, with an average of 2 members in each. Of these, 66.9% are families, while the remaining 33.1% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
4,071
1.8% year-over-year change
Average people per household
2
Non-family households
1,346
Family households
2,725
Value Percent YoY change
Non-family households 1,346 33.1% 1.2%
Family households 2,725 66.9% 2.0%
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 Clarke County

The housing landscape of Clarke County

Clarke County's housing consists of 4,522 units, with 70.5% 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 7.3% of the housing landscape.

Housing units
4,522
2.8% year-over-year change
Housing types
Value Percent
1 unit, detached 3,189 70.5%
1 unit, attached 143 3.2%
2 units 226 5%
3 or 4 units 226 5%
5 to 9 units 75 1.7%
10 to 19 units 36 0.8%
20 to 49 units 268 5.9%
Mobile home 332 7.3%
Boat, RV, van, etc. 27 0.6%
Homes built since 2020
35
-7.9% year-over-year change

The age of buildings in Clarke County

In Clarke County, the median construction year is 1975. About 20.4% of homes were built before the 1940s, with another 4.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.2% of homes were added from 2000 to 2009, 11% between 2010 and 2019, and 0.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 921 20.4% -7.0%
Built between 1940 and 1949 199 4.4% -10.8%
Built between 1950 and 1959 231 5.1% 32.8%
Built between 1960 and 1969 359 7.9% 26.9%
Built between 1970 and 1979 1,122 24.8% -1.1%
Built between 1980 and 1989 326 7.2% 5.8%
Built between 1990 and 1999 418 9.2% -1.4%
Built between 2000 and 2009 416 9.2% -8.0%
Built between 2010 and 2019 495 11% 32.4%
Built in 2020 or later 35 0.8% -7.9%
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.

Clarke County occupancy rates

Out of the 4,071 occupied housing units in Clarke County, 72.3% are owner-occupied, while 27.7% are lived in by tenants. Meanwhile, 10% of all homes on the local market sit vacant.

Occupied housing units
4,071
1.8% year-over-year change
Occupancy breakdown
Renter occupied
1,127
Owner occupied
2,944
Value Percent YoY
change
Renter occupied 1,127 27.7% -7.8%
Owner occupied 2,944 72.3% 5.9%
Unoccupied housing units
10.0%
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.

Clarke County housing costs

Housing costs in Clarke County come to a median of $999 per month, while tenants specifically pay a median gross rent of $931.

Median housing costs per month
$999/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 Clarke County
$931/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 Clarke County

Clarke County education at a glance

About 54.6% of the population in Clarke County went to high school, while 14.6% pursued college studies. Another 12.8% earned an associate degree and 9.6% hold a bachelor’s. Meanwhile, 5.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 239 3.3% -3.6%
High school diploma 3,928 54.6% -1.0%
College diploma 1,047 14.6% -3.6%
Associate degree 922 12.8% 13.1%
Bachelor's degree 688 9.6% -9.3%
Graduate degree 368 5.1% 7.9%
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 Clarke County

How much people earn in Clarke County

The average annual household income in Clarke County was $95,019 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +10.8% change from the previous year. At the same time, the median income stood at $71,641, reflecting a +7.2% shift over the same period.

Average household income in Clarke County
$95,019/year
10.8% year-over-year change
Median household income in Clarke County
$71,641/year
7.2% year-over-year change

Clarke County income by age

In Clarke County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $86,417. Those with someone between 45 and 64 in charge, often well established professionally, earn $92,417 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $41,794, while those led by someone over 65, many of whom may be retired, have about $50,893 in earnings. Overall, 90.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $41,794 -7.7%
25 - 44 $86,417 28.4%
45 - 64 $92,417 -7.6%
Over 65 $50,893 -4.8%
Above poverty level
8,348
Below poverty level
894
Value Percent YoY
change
Above poverty level 8,348 90.3% 3.8%
Below poverty level 894 9.7% -28.4%

Employment in Clarke County

Workforce and job types in Clarke County

The job market in Clarke County is powered by 4,612 working residents, spread across a range of industries and roles. 60.7% of the working population are employed in professional or administrative positions, while 39.3% are in hands-on or service-based jobs. Also, 9% run their own businesses, 70.3% are employed by private companies, and 15.2% work in the public sector.

Workforce demographics

Working population
4,612
4.8% year-over-year change
White collar
2,798
Blue collar
1,814
Value Percent YoY change
White collar 2,798 60.7% 0.5%
Blue collar 1,814 39.3% 12.3%
Employer type
Self employees
9%
Private companies
70.3%
Governmental workers
15.2%
Not for profit companies
5.6%
Value Percent YoY change
Self employees 414 9% 0.5%
Private companies 3,242 70.3% 9.1%
Governmental workers 699 15.2% -8.4%
Not for profit companies 257 5.6% 2.0%
Unemployment rate
4.2%
7.9% year-over-year change

Available workforce

The unemployment rate in Clarke County stands at 4.2%, 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 Clarke County

How people get around in Clarke County

Commuting methods vary: 89.6% of residents travel by personal vehicle and 0.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 4,068 89.6% 5.4%
Bus or trolleybus 1 0% 0.0%
Walk 18 0.4% -80.7%
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 Clarke County by zipcode?

Zipcode Population Number of households Median income Average income
50108 376 181 $38,125 $46,381
50174 1,259 393 $67,250 $96,907
50210 1,487 583 $87,813 $124,489
50213 7,489 3,249 $73,026 $95,897
50257 914 309 $94,375 $93,358
50264 502 228 $64,545 $67,879
50275 506 229 $72,232 $90,301

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FAQs about Clarke County demographics 

What is the total population of Clarke County?

Clarke County has a total population of 9,662 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 -0.3% compared to a year ago.

What is the gender ratio in Clarke County?

The gender ratio in Clarke County is as follows:
  • 51% males (4,923 residents)
  • 49% females (4,739 residents)

What is the median age in Clarke County?

The median age in Clarke County is 37.9.

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

The age distribution in Clarke County is as follows:
  • Under 15: 21.3% (2,059 residents)
  • Ages 15-24: 13.3% (1,282 residents)
  • Ages 25-44: 21.8% (2,110 residents)
  • Ages 45-64: 23.7% (2,287 residents)
  • Over 65: 19.9% (1,924 residents)

What is the racial and ethnic makeup of Clarke County?

The racial and ethnic makeup of Clarke County is as follows:
  • White: 80.5% (7,781 residents)
  • Black or African American: 0% (5 residents)
  • American Indian and Alaska Native: 1% (97 residents)
  • Asian: 0.6% (54 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.3% (703 residents)
  • Other: 10.6% (1,022 residents)

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

U.S.-born citizens represent 92% of the population in Clarke County.

How many housing units are there in Clarke County?

There are 4,522 housing units in Clarke County, reflecting a +2.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Clarke County has a total of 4,071 households, with an average of 2 people in each.

What is the median household income in Clarke County?

Clarke County has a median household income of $71,641, representing a +7.2% shift from the previous year, according to the U.S. Census Bureau.

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

The employment rate is 95.8% in Clarke County, with a workforce of 4,612 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 60.7% (2,798 residents)
  • Blue-collar workers: 39.3% (1,814 residents)

Places of employment:
  • Self-employed: 9% (414 residents)
  • Private companies: 70.3% (3,242 residents)
  • Governmental workers: 15.2% (699 residents)
  • Not-for-profit companies: 5.6% (257 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