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COUNTY · 1990 CENSUS

Louisa County

Iowa · 11,592 residents · 402 sq mi
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The short version

Louisa County is home to 11,592 people in Iowa. Median home value sits at $39,100. 9% of adults hold a bachelor's degree or higher. 74% of homes are owner-occupied. Renters pay $304 a month at the median. Median household income is $25,590, under the $30,130 national median.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 34.2
US median: 33.0
Less educated
9% hold a bachelor's degree
US average: 20%
More affordable
home values down 22%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

11,592
−5%vs 2000
vs 12,183 in 2000
1990 – 2025
34.2
−5%vs 2000
vs 35.9 in 2000
US average: 33.0
Land area
402 sq mi
Population, 19902024
11K11K11K12K12K19902000201020202024Louisa County
202411K
1990201020202024
Age distribution, 1990
Under 56.9%(803)
US avg: 7.3%
5 to 98%(923)
US avg: 7.3%
10 to 147.8%(905)
US avg: 6.9%
15 to 197.1%(818)
US avg: 7.1%
20 to 246.2%(716)
US avg: 7.5%
25 to 3415.3%(1,778)
US avg: 17.5%
35 to 4413.3%(1,542)
US avg: 15.1%
45 to 5411.3%(1,312)
US avg: 10.2%
55 to 649.1%(1,054)
US avg: 8.5%
65 to 747.7%(892)
US avg: 7.3%
75 to 845.5%(633)
US avg: 4%
85 and over1.9%(216)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$25,590
−14%inflation adjusted, since 2000
vs $39,086 in 2000
US average: $30,130
1990 – 2024
$11,226
−36%vs 2000
vs $17,644 in 2000
US average: $14,340
11.7%
+2.3 ptsvs 2000
vs 9.3% in 2000
US average: 13.2%
Section 03

Housing

$39,100
−22%inflation adjusted, since 2000
vs $66,400 in 2000
US average: $93,722
1990 – 2024
$304
−4%inflation adjusted, since 2000
vs $419 in 2000
US average: $450
74.5%
−2.8 ptsvs 2000
vs 77.3% in 2000
25.5% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic86.4%(10,529)
Black0.2%(26)
Hispanic / Latino12.6%(1,537)
Asian0.2%(24)
Other0%
1990
White, non-Hispanic96.8%(11,219)
Black0.8%(94)
Hispanic / Latino2.8%(322)
Asian0.4%(42)
Other2%(237)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican15.7%(1,679)
Salvadoran0.2%(20)
Puerto Rican0.1%(13)
Asian origin
Burmese2.1%(229)
Ancestry
German21.3%(2,277)
English9.6%(1,021)
Irish9.4%(1,005)
American4.7%(499)
Scottish2.9%(309)
Welsh1.9%(207)
Swedish1.3%(143)
Dutch1%(108)
Norwegian1%(103)
French0.8%(88)
Scotch-Irish0.6%(61)
West Indian0.6%(59)
+ 16 more ancestry groups with data
Haitian0.6%(59)
Italian0.3%(35)
British0.3%(34)
Swiss0.3%(31)
Polish0.2%(19)
Hungarian0.1%(15)
Canadian0.1%(14)
Czech0.1%(14)
Greek0.1%(13)
Danish0.1%(10)
Ukrainian0.1%(10)
Russian0.1%(7)
Arab0%(5)
Belgian0%(2)
Section 05

Education

9.2%
−3.5 ptsvs 2000
vs 12.7% in 2000
US average: 20.3%
High school or higher
76.3%
−3.4 ptsvs 2000
vs 79.7% in 2000
US average: 75.2%
2.4%
−1.0 ptsvs 2000
vs 3.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

24.4 min
+52%vs 2000
vs 16.1 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 married24.8%(1,100)
Married62.7%(2,785)
Widowed1.8%(81)
Divorced10.8%(478)
Women 15+
Never married19.4%(844)
Married61.2%(2,657)
Widowed8.3%(362)
Divorced11%(478)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

4.8%
−5.3 ptssince 2013
from 10.1% in 2013
US average: 8.4%
57.4%
−1.6 ptssince 2020
from 59.0% in 2020
US average: 54.8%
Direct-purchase
15.9%
−2.4 ptssince 2020
from 18.3% in 2020
US average: 13.8%
20.7%
+1.6 ptssince 2020
from 19.1% in 2020
US average: 18.4%
20.3%
+2.8 ptssince 2020
from 17.5% in 2020
US average: 20.9%
VA health care
2.6%
Unchangedsince 2020
from 2.6% in 2020
US average: 2.2%
Any private
71.1%
−3.6 ptssince 2020
from 74.7% in 2020
US average: 67.1%
Any public
39.1%
+4.7 ptssince 2020
from 34.4% 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)18.4%(114)
US avg: 26.4%
Gulf War (1990s)20.6%(128)
US avg: 24.3%
Vietnam era31.8%(197)
US avg: 33.1%
Korean War7.9%(49)
US avg: 4.5%
World War II5.8%(36)
US avg: 1%

Share of the 620 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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Frequently asked

How many people live in Louisa County, Iowa?

Louisa County, Iowa has about 11,592 residents according to the 1990 Census.

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

The typical household in Louisa County, Iowa earns about $25,590 a year. Half of households make more than that, and half make less.

Is Louisa County, Iowa expensive?

In Louisa County, Iowa, the median home is worth about $39,100, and the typical rent is about $304 a month.

How educated are people in Louisa County, Iowa?

About 9.2% of adults age 25 and over in Louisa County, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Louisa County, Iowa?

About 11.7% of people in Louisa County, Iowa live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →