COUNTY · 1990 CENSUS

Clarke County

Iowa · 8,287 residents · 431 sq mi

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The short version

Clarke County is a county of 8,287 people in Iowa. The typical home is worth $34,700. About 9% of adults have finished a four-year degree. The median age is 36.9, about 4 years above the US median. 72% of homes are owner-occupied. Renters pay $286 a month at the median.

At a glance

Lower income

below the US median

US median: $30,130

Older

median age 36.9

US median: 33.0

Less educated

9% hold a bachelor's degree

US average: 20%

More affordable

home values down 36%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

8,287

−9%vs 2000

vs 9,133 in 2000

1990 – 2025

Median age

36.9

−4%vs 2000

vs 38.6 in 2000

US average: 33.0

Land area

431 sq mi

Population, 1990 – 2024

202410K

Age distribution, 1990

Under 56.8%(564)

US avg: 7.3%

5 to 97.9%(651)

US avg: 7.3%

10 to 147.3%(608)

US avg: 6.9%

15 to 196.5%(535)

US avg: 7.1%

20 to 244.4%(368)

US avg: 7.5%

25 to 3414.4%(1,197)

US avg: 17.5%

35 to 4413.9%(1,148)

US avg: 15.1%

45 to 5410.3%(851)

US avg: 10.2%

55 to 6410%(826)

US avg: 8.5%

65 to 748.9%(739)

US avg: 7.3%

75 to 847.2%(599)

US avg: 4%

85 and over2.4%(201)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$21,735

−17%inflation adjusted, since 2000

vs $34,474 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,380

−31%vs 2000

vs $16,409 in 2000

US average: $14,340

Poverty rate

13.7%

+5.2 ptsvs 2000

vs 8.5% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$34,700

−36%inflation adjusted, since 2000

vs $71,900 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$286

−16%inflation adjusted, since 2000

vs $449 in 2000

US average: $450

Owner-occupied

72.4%

Unchangedvs 2000

vs 72.4% in 2000

27.6% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic94.7%(8,648)

Black0.1%(10)

Hispanic / Latino4%(369)

Asian0.4%(32)

Other0%

1990

White, non-Hispanic99.4%(8,239)

Black0%(0)

Hispanic / Latino0.3%(21)

Asian0.4%(36)

Other0.1%(12)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican14.7%(1,421)

Central American1%(98)

South American0.8%(79)

Colombian0.8%(79)

Guatemalan0.6%(57)

Honduran0.4%(41)

Cuban0%(4)

Asian origin

Laotian0.3%(28)

Pakistani0.1%(13)

Filipino0.1%(11)

Japanese0%(2)

Pacific Islander origin

Chuukese0.4%(42)

Ancestry

German21.8%(2,106)

English13.3%(1,283)

Irish9.7%(936)

American4.6%(446)

Italian2.6%(252)

Swedish2%(194)

French1.9%(188)

Dutch1.9%(179)

Norwegian1.7%(166)

Scottish1.3%(121)

Danish0.9%(84)

British0.6%(54)

+ 12 more ancestry groups with data

Welsh0.5%(46)

Scotch-Irish0.4%(42)

Czech0.3%(28)

French Canadian0.2%(22)

Greek0.2%(22)

Swiss0.1%(11)

Ukrainian0.1%(7)

Polish0.1%(6)

Hungarian0.1%(5)

Russian0%(4)

Subsaharan African0%(4)

Belgian0%(2)

RANKED:Largest German population · Largest Mexican population · Largest English population · Largest Irish population · Largest American population

Section 05

Education

Bachelor's degree or higher

8.8%

−3.2 ptsvs 2000

vs 12.1% in 2000

US average: 20.3%

High school or higher

77.6%

−6.8 ptsvs 2000

vs 84.4% in 2000

US average: 75.2%

Graduate degree

2.2%

−0.9 ptsvs 2000

vs 3.2% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

25.3 min

+38%vs 2000

vs 18.4 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married21.4%(829)

Married61.7%(2,392)

Widowed4%(157)

Divorced12.9%(500)

Women 15+

Never married18.8%(699)

Married58%(2,161)

Widowed11.7%(435)

Divorced11.5%(430)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

4.9%

−8.3 ptssince 2013

from 13.2% in 2013

US average: 8.4%

Employer-based

60.4%

+10.3 ptssince 2020

from 50.1% in 2020

US average: 54.8%

Direct-purchase

15.3%

−4.7 ptssince 2020

from 20.0% in 2020

US average: 13.8%

Medicare

21.5%

+0.6 ptssince 2020

from 20.9% in 2020

US average: 18.4%

Medicaid

19.0%

−7.6 ptssince 2020

from 26.6% in 2020

US average: 20.9%

VA health care

2.5%

−2.2 ptssince 2020

from 4.7% in 2020

US average: 2.2%

Any private

73.9%

+4.5 ptssince 2020

from 69.4% in 2020

US average: 67.1%

Any public

38.7%

−6.2 ptssince 2020

from 44.9% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)22.8%(110)

US avg: 26.4%

Gulf War (1990s)25.1%(121)

US avg: 24.3%

Vietnam era52.7%(254)

US avg: 33.1%

Korean War4.4%(21)

US avg: 4.5%

World War II1.2%(6)

US avg: 1%

Share of the 482 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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