United States › Iowa › Warren County COUNTY · 2000 CENSUS
Warren County Iowa · 40,671 residents · 570 sq mi
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The short version
Warren County is a county of 40,671 people in Iowa. Owners hold 80% of the housing stock. Households here earn about 28% more than in Iowa as a whole. Poverty is uncommon here, at 5.1% of residents. 4,638 more people live here than in 1990. The median household earns $50,349, about 18% above the national median.
At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.0
US median: 35.2
Average education
21% hold a bachelor's degree
US average: 24%
Less affordable
home values up 31%, inflation adjusted
US median home: $120,530
Section 01
Population & growth from 32.8 in 1990
US average: 35.2
Population, 1990 – 2024
34K 40K 45K 51K 56K 1990 2000 2010 2020 2024 Warren County Age distribution, 2000
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $50,349
+18%inflation adjusted, since 1990
from $32,452 in 1990
US average: $42,589
from $12,732 in 1990
US average: $21,522
from 6.3% in 1990
US average: 12.4%
$102,600
+31%inflation adjusted, since 1990
from $59,400 in 1990
US average: $120,530
$494
+8%inflation adjusted, since 1990
from $348 in 1990
US average: $602
from 76.8% in 1990
20.1% rent
Section 04
Race & ethnicity 1990
White, non-Hispanic 99.2%(35,735)
Hispanic / Latino 0.7%(249)
2000
White, non-Hispanic 97.5%(39,635)
Hispanic / Latino 1.1%(441)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
+ 1 more hispanic origin group with data Ancestry
+ 31 more ancestry groups with data from 16.2% in 1990
US average: 24.4%
High school or higher
from 87.0% in 1990
US average: 80.3%
from 4.4% in 1990
US average: 8.8%
Section 06
Commute & transportation from 26.5 min in 1990
US average: 17.6
Section 07
Work & employment No data for the years selected.
Section 08
People & community No data for the years selected.
Marital status
Men 15+
Never married 24.2%(3,677)
Women 15+
Never married 19.6%(3,229)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 5.5% in 2013
US average: 8.4%
from 69.0% in 2020
US average: 54.8%
Direct-purchase
from 15.7% in 2020
US average: 13.8%
from 16.2% in 2020
US average: 18.4%
from 14.5% in 2020
US average: 20.9%
VA health care
from 2.6% in 2020
US average: 2.2%
Any private
from 83.0% in 2020
US average: 67.1%
Any public
from 29.5% 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) 26.8%(731)
Gulf War (1990s) 21.9%(598)
Share of the 2,728 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.
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Drill deeper
Places similar to Warren County Head to head
Compare Warren County to nearby counties WARREN COUNTY VS
Madison County
Income $90,855 +80%
Home value $245,100 +139%
Population 17,270 −70%
SEE FULL COMPARISON →
WARREN COUNTY VS
Clarke County
Income $71,641 +42%
Home value $161,100 +57%
Population 9,574 −83%
SEE FULL COMPARISON →
WARREN COUNTY VS
Lucas County
Income $61,793 +23%
Home value $120,200 +17%
Population 8,847 −85%
SEE FULL COMPARISON →
WARREN COUNTY VS
Polk County
Income $83,576 +66%
Home value $262,100 +155%
Population 516,546 +801%
SEE FULL COMPARISON →
Frequently asked
How many people live in Warren County, Iowa? Warren County, Iowa has about 40,671 residents according to the 2000 Census.
What is the median household income in Warren County, Iowa? The typical household in Warren County, Iowa earns about $50,349 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 $102,600, and the typical rent is about $494 a month.
How educated are people in Warren County, Iowa? About 21.2% 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 5.1% of people in Warren County, Iowa live below the federal poverty line.
Has Warren County, Iowa grown since 1990? Yes, Warren County, Iowa has grown since 1990. The population has added about 4,638 residents, a change of about 13 percent over that period.
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