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COUNTY · 2000 CENSUS

Iowa County

Iowa · 15,671 residents · 586.455 sq mi
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The short version

Iowa County has roughly average household income, with a median household income of $41,222. Population has held roughly steady since 1990. 16% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has more than doubled since 1990, reaching $88,400. Poverty is rare here, at 5.0% of residents.

At a glance
Average income
near the US median
US median: $42,589
Older
median age 38.8
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Less affordable
home values up 56%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
15,671
+7%since 1990
from 14,630 in 1990
1990 – 2025
Population density
27 / sq mi
+7%since 1990
from 25 / sq mi in 1990
US average: 242
Median age
38.8
+6%since 1990
from 36.5 in 1990
US average: 35.2
Population, 1990 – 2024
14K15K16K16K17K1990201020202024Iowa County
202417K
1990201020202024
Section 02

Income & economy

Median household income
$41,222
+18%inflation adjusted, since 1990
from $26,579 in 1990
US average: $42,589
1990 – 2024
Per capita income
$18,884
+56%since 1990
from $12,139 in 1990
US average: $21,522
Poverty rate
5.0%
−3.2 ptssince 1990
from 8.2% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$88,400
+56%inflation adjusted, since 1990
from $43,100 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$412
+6%inflation adjusted, since 1990
from $295 in 1990
US average: $602
Owner-occupied
77.9%
+1.8 ptssince 1990
from 76.1% in 1990
22.1% rent
Afford Score
2.1
+32%since 1990
from 1.6 in 1990
1990 – 2024
RELATED:See current rent listings in Iowa County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic99.6%(14,575)
Black0.1%(9)
Hispanic / Latino0.2%(22)
Asian0.2%(31)
Diversity Score1.3%(192)
2000
White, non-Hispanic98.2%(15,390)
Black0.2%(25)
Hispanic / Latino1%(152)
Asian0.3%(47)
Diversity Score3.5%(556)
Diversity Score
4
+171%since 1990
from 1 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
15.8%
+4.6 ptssince 1990
from 11.1% in 1990
US average: 24.4%
High school or higher
87.0%
+10.7 ptssince 1990
from 76.4% in 1990
US average: 80.3%
Graduate degree
4.3%
+1.1 ptssince 1990
from 3.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
15.3 min
−48%since 1990
from 29.6 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.

Drill deeper

Places similar to Iowa County

Franklin County
Pop 15,889
De Witt County
Pop 15,118
Mariposa County
Pop 16,918
Oglethorpe County
Pop 16,415
Places similar to Iowa County
Head to head

Compare Iowa County to nearby counties

IOWA COUNTY VS
Poweshiek County
Income$67,391+63%
Home value$209,300+137%
Population18,368+11%
SEE FULL COMPARISON →
IOWA COUNTY VS
Johnson County
Income$74,935+82%
Home value$308,600+249%
Population160,044+870%
SEE FULL COMPARISON →
IOWA COUNTY VS
Keokuk County
Income$62,329+51%
Home value$118,700+34%
Population9,797−41%
SEE FULL COMPARISON →
IOWA COUNTY VS
Benton County
Income$86,962+111%
Home value$208,200+136%
Population26,004+58%
SEE FULL COMPARISON →
Frequently asked

How many people live in Iowa County, Iowa?

Iowa County, Iowa has about 15,671 residents according to the 2000 Census.

What is the median household income in Iowa County, Iowa?

The typical household in Iowa County, Iowa earns about $41,222 a year. Half of households make more than that, and half make less.

Is Iowa County, Iowa expensive?

In Iowa County, Iowa, the median home is worth about $88,400, and the typical rent is about $412 a month.

How educated are people in Iowa County, Iowa?

About 15.8% of adults age 25 and over in Iowa County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Iowa County, Iowa?

About 5.0% of people in Iowa County, Iowa live below the federal poverty line.

Has Iowa County, Iowa grown since 1990?

Yes, Iowa County, Iowa has grown since 1990. The population has added about 1,041 residents, a change of about 7 percent over that period.

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Explore from here

4 census tracts
Census Tract 9604Census Tract 9602Census Tract 9601Census Tract 9603
12 ZIP codes
ZIP 52361ZIP 52301ZIP 52203ZIP 52316ZIP 52347ZIP 52236ZIP 52251ZIP 52325ZIP 52220ZIP 52334ZIP 52308ZIP 52307
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →