COUNTY · 1990 CENSUS

Lyon County

Iowa · 11,952 residents · 588 sq mi

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The short version

Lyon County is home to 11,952 people in Iowa. The typical home is worth $31,700. 77% of homes are owner-occupied. About 10% of adults have finished a four-year degree. Getting to work takes 33 minutes on average. Renters pay $252 a month at the median.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 34.8

US median: 33.0

Less educated

10% hold a bachelor's degree

US average: 20%

More affordable

home values down 39%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

11,952

+2%vs 2000

vs 11,763 in 2000

1990 – 2025

Median age

34.8

−9%vs 2000

vs 38.1 in 2000

US average: 33.0

Land area

588 sq mi

Population, 1990 – 2024

202412K

Age distribution, 1990

Under 57.9%(947)

US avg: 7.3%

5 to 98.7%(1,039)

US avg: 7.3%

10 to 149%(1,077)

US avg: 6.9%

15 to 197%(837)

US avg: 7.1%

20 to 244.5%(532)

US avg: 7.5%

25 to 3413.2%(1,576)

US avg: 17.5%

35 to 4413.9%(1,659)

US avg: 15.1%

45 to 547.6%(903)

US avg: 10.2%

55 to 6410.3%(1,233)

US avg: 8.5%

65 to 749.4%(1,123)

US avg: 7.3%

75 to 845.9%(710)

US avg: 4%

85 and over2.6%(316)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$22,676

−19%inflation adjusted, since 2000

vs $36,878 in 2000

US average: $30,130

1990 – 2024

Per capita income

$9,871

−39%vs 2000

vs $16,081 in 2000

US average: $14,340

Poverty rate

13.3%

+6.3 ptsvs 2000

vs 7.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$31,700

−39%inflation adjusted, since 2000

vs $68,600 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$252

−5%inflation adjusted, since 2000

vs $350 in 2000

US average: $450

Owner-occupied

77.1%

−4.7 ptsvs 2000

vs 81.8% in 2000

22.9% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic98.9%(11,637)

Black0.1%(11)

Hispanic / Latino0.4%(42)

Asian0.1%(14)

Other0%

1990

White, non-Hispanic99.5%(11,892)

Black0%(0)

Hispanic / Latino0.1%(9)

Asian0.4%(48)

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

Mexican3%(361)

Central American0.6%(74)

Salvadoran0.6%(72)

Cuban0.1%(14)

Puerto Rican0.1%(8)

Honduran0%(2)

Asian origin

Chinese0.4%(46)

Korean0.1%(7)

Laotian0%(6)

Pacific Islander origin

Chamorro0%(4)

Ancestry

German35%(4,261)

Dutch32.5%(3,955)

Irish5.8%(705)

American5.3%(644)

Norwegian3.6%(438)

English2.6%(321)

Swedish1.9%(231)

Swiss1.7%(201)

French1%(118)

Italian0.9%(105)

Danish0.9%(104)

Scottish0.8%(101)

+ 15 more ancestry groups with data

Polish0.4%(49)

Welsh0.3%(31)

Austrian0.2%(29)

Czech0.2%(23)

British0.2%(22)

Subsaharan African0.1%(17)

Bulgarian0.1%(16)

Scotch-Irish0.1%(9)

Belgian0.1%(8)

Finnish0.1%(7)

Brazilian0%(4)

Russian0%(4)

French Canadian0%(3)

Canadian0%(2)

Lithuanian0%(1)

RANKED:Largest German population · Largest Dutch population · Largest Irish population · Largest American population · Largest Norwegian population

Section 05

Education

Bachelor's degree or higher

10.2%

−4.0 ptsvs 2000

vs 14.2% in 2000

US average: 20.3%

High school or higher

70.4%

−8.4 ptsvs 2000

vs 78.7% in 2000

US average: 75.2%

Graduate degree

2.3%

−1.0 ptsvs 2000

vs 3.3% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

32.6 min

+146%vs 2000

vs 13.3 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 married28.7%(1,367)

Married59.5%(2,839)

Widowed3.8%(180)

Divorced8%(382)

Women 15+

Never married22%(1,013)

Married60.8%(2,806)

Widowed10.3%(476)

Divorced6.9%(319)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

4.0%

−5.5 ptssince 2013

from 9.5% in 2013

US average: 8.4%

Employer-based

53.1%

−1.6 ptssince 2020

from 54.7% in 2020

US average: 54.8%

Direct-purchase

26.3%

+0.7 ptssince 2020

from 25.6% in 2020

US average: 13.8%

Medicare

18.5%

−0.6 ptssince 2020

from 19.1% in 2020

US average: 18.4%

Medicaid

19.1%

+1.9 ptssince 2020

from 17.2% in 2020

US average: 20.9%

VA health care

1.7%

−0.3 ptssince 2020

from 2.0% in 2020

US average: 2.2%

Any private

77.0%

−0.1 ptssince 2020

from 77.1% in 2020

US average: 67.1%

Any public

35.7%

+1.6 ptssince 2020

from 34.1% 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)17%(85)

US avg: 26.4%

Gulf War (1990s)16.2%(81)

US avg: 24.3%

Vietnam era56.8%(284)

US avg: 33.1%

Korean War5.2%(26)

US avg: 4.5%

World War II0.8%(4)

US avg: 1%

Share of the 500 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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