COUNTY · 1990 CENSUS
Warren County
Iowa · 36,033 residents · 569.658 sq mi
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The short version
Warren County has roughly average household income, with a median household income of $32,452. Population has declined 11% since 2000. Median home value is $59,400. Poverty is rare here, at 6.3% of residents.
At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 32.8
US median: 33.0
Less educated
16% hold a bachelor's degree
US average: 20%
More affordable
home values down 24%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
202454K
Age distribution, 1990
Under 57.2%(2,596)
5 to 98.7%(3,122)
10 to 147.7%(2,786)
15 to 198.1%(2,934)
20 to 246.7%(2,432)
25 to 3415.1%(5,426)
35 to 4415.9%(5,726)
45 to 5411.6%(4,193)
55 to 648%(2,873)
65 to 746.1%(2,216)
75 to 843.2%(1,169)
85 and over1.6%(560)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$32,452
−15%inflation adjusted, since 2000
vs $50,349 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$59,400
−24%inflation adjusted, since 2000
vs $102,600 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Warren County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic97.5%(39,635)
Black0.3%(106)
Hispanic / Latino1.1%(441)
Asian0.4%(155)
Other0%
1990
White, non-Hispanic99.2%(35,735)
Black0.1%(44)
Hispanic / Latino0.7%(249)
Asian0.4%(137)
Other0.3%(117)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican2.4%(1,281)
Central American0.5%(261)
Puerto Rican0.4%(219)
Guatemalan0.3%(188)
South American0.1%(66)
Honduran0.1%(41)
Argentine0.1%(32)
Colombian0%(17)
Venezuelan0%(17)
Panamanian0%(16)
Salvadoran0%(16)
Spaniard0%(12)
+ 1 more hispanic origin group with data
Dominican0%(4)
Asian origin
Asian Indian0.2%(115)
Vietnamese0.2%(108)
Korean0.1%(46)
Filipino0.1%(40)
Chinese0%(18)
Burmese0%(5)
Nepalese0%(5)
Ancestry
German29.9%(16,243)
Irish15.8%(8,619)
English14.7%(8,008)
American4.9%(2,646)
Dutch3.9%(2,101)
Norwegian3.8%(2,051)
Italian3.4%(1,866)
Swedish2%(1,112)
French2%(1,078)
Scottish1.7%(924)
Danish1.4%(777)
Czech0.9%(506)
+ 31 more ancestry groups with data
Polish0.9%(486)
Scotch-Irish0.8%(458)
Welsh0.8%(434)
Subsaharan African0.3%(190)
British0.3%(159)
Nigerian0.3%(155)
Swiss0.2%(133)
Russian0.2%(117)
Finnish0.2%(86)
Canadian0.1%(76)
Belgian0.1%(75)
Arab0.1%(71)
Lebanese0.1%(61)
French Canadian0.1%(61)
Portuguese0.1%(45)
Ukrainian0.1%(29)
West Indian0.1%(28)
Romanian0%(25)
Jamaican0%(24)
Hungarian0%(22)
Austrian0%(19)
Croatian0%(19)
Slovak0%(17)
Greek0%(15)
Latvian0%(14)
Turkish0%(13)
Armenian0%(8)
Ethiopian0%(4)
Haitian0%(4)
Lithuanian0%(3)
Serbian0%(2)
Section 05
Education
High school or higher
87.0%
−3.0 ptsvs 2000
vs 90.0% in 2000
US average: 75.2%
Section 06
Commute & transportation
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 married29.7%(6,361)
Married58.1%(12,459)
Widowed3%(637)
Divorced9.3%(1,987)
Women 15+
Never married25.8%(5,700)
Married54.6%(12,049)
Widowed8.6%(1,888)
Divorced11.1%(2,443)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper
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Compare Warren County to nearby counties
WARREN COUNTY VS
Madison County
Income$90,855+180%
Home value$245,100+313%
Population17,270−70%
SEE FULL COMPARISON →
WARREN COUNTY VS
Clarke County
Income$71,641+121%
Home value$161,100+171%
Population9,574−83%
SEE FULL COMPARISON →
WARREN COUNTY VS
Lucas County
Income$61,793+90%
Home value$120,200+102%
Population8,847−85%
SEE FULL COMPARISON →
WARREN COUNTY VS
Polk County
Income$83,576+158%
Home value$262,100+341%
Population516,546+801%
SEE FULL COMPARISON →
Frequently asked
How many people live in Warren County, Iowa?
Warren County, Iowa has about 36,033 residents according to the 1990 Census.
What is the median household income in Warren County, Iowa?
The typical household in Warren County, Iowa earns about $32,452 a year. Half of households make more than that, and half make less.
Is Warren County, Iowa expensive?
In Warren County, Iowa, the median home is worth about $59,400, and the typical rent is about $348 a month.
How educated are people in Warren County, Iowa?
About 16.2% of adults age 25 and over in Warren County, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Warren County, Iowa?
About 6.3% of people in Warren County, Iowa live below the federal poverty line.
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14 census tracts
Census Tract 202.02Census Tract 202.01Census Tract 211Census Tract 204Census Tract 212Census Tract 203Census Tract 208Census Tract 209Census Tract 206Census Tract 207.02Census Tract 210Census Tract 205Census Tract 201.01Census Tract 207.0112 ZIP codes
ZIP 50125ZIP 50211ZIP 50047ZIP 50166ZIP 50229ZIP 50210ZIP 50139ZIP 50118ZIP 50001ZIP 50160ZIP 50145ZIP 50241Up the hierarchy
All counties in IowaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024