CITY · 1990 CENSUS

Arnold

Missouri · 18,828 residents · 11.5 sq mi

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The short version

With 18,828 people, Arnold is a city in Missouri. Owners hold 79% of the housing stock. 9% of adults hold a bachelor's degree or higher. Households here earn about 30% more than in Missouri as a whole. Poverty is uncommon here, at 5.4% of locals. Median home value sits at $65,500.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 31.7

US median: 33.0

Less educated

9% hold a bachelor's degree

US average: 20%

More affordable

home values down 9%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

18,828

−6%vs 2000

vs 19,965 in 2000

1990 – 2025

Median age

31.7

−14%vs 2000

vs 36.7 in 2000

US average: 33.0

Land area

11.5 sq mi

Population, 1990 – 2024

202421K

Age distribution, 1990

Under 57.5%(1,411)

US avg: 7.3%

5 to 97.4%(1,395)

US avg: 7.3%

10 to 147.9%(1,488)

US avg: 6.9%

15 to 197.4%(1,402)

US avg: 7.1%

20 to 247.5%(1,416)

US avg: 7.5%

25 to 3417.7%(3,335)

US avg: 17.5%

35 to 4414.8%(2,788)

US avg: 15.1%

45 to 5412.3%(2,322)

US avg: 10.2%

55 to 648.9%(1,674)

US avg: 8.5%

65 to 745.3%(1,001)

US avg: 7.3%

75 to 842.1%(390)

US avg: 4%

85 and over1.1%(206)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$34,179

−5%inflation adjusted, since 2000

vs $47,188 in 2000

US average: $30,130

1990 – 2024

Per capita income

$12,689

−38%vs 2000

vs $20,378 in 2000

US average: $14,340

Poverty rate

5.4%

+0.9 ptsvs 2000

vs 4.4% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$65,500

−9%inflation adjusted, since 2000

vs $94,400 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$465

+7%inflation adjusted, since 2000

vs $575 in 2000

US average: $450

Owner-occupied

78.5%

−2.6 ptsvs 2000

vs 81.2% in 2000

21.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic97.2%(19,408)

Black0.3%(59)

Hispanic / Latino1%(207)

Asian0.4%(75)

Other0%

1990

White, non-Hispanic99.2%(18,686)

Black0.2%(32)

Hispanic / Latino0.5%(98)

Asian0.1%(12)

Other0.5%(98)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin

Mexican0.9%(194)

Central American0.4%(84)

Spaniard0.4%(80)

Puerto Rican0.4%(74)

South American0.3%(60)

Costa Rican0.3%(59)

Venezuelan0.1%(26)

Honduran0.1%(25)

Colombian0.1%(17)

Peruvian0.1%(17)

Asian origin

Chinese1.2%(257)

Laotian0.3%(61)

Filipino0.2%(36)

Asian Indian0%(8)

Korean0%(7)

Pacific Islander origin

Samoan0.1%(14)

Ancestry

German26.3%(5,515)

Irish12.4%(2,595)

English10.5%(2,206)

American4.4%(922)

Italian4.2%(886)

French3.2%(667)

Polish1.7%(352)

Scottish0.9%(183)

Norwegian0.8%(163)

Swedish0.7%(157)

Croatian0.6%(136)

Ukrainian0.6%(116)

+ 22 more ancestry groups with data

Dutch0.5%(112)

Arab0.5%(110)

Welsh0.5%(110)

Greek0.4%(88)

Scotch-Irish0.4%(88)

Czech0.4%(85)

Danish0.3%(63)

Lebanese0.3%(60)

Portuguese0.2%(52)

Hungarian0.2%(48)

French Canadian0.2%(47)

Russian0.2%(43)

Swiss0.2%(38)

Turkish0.2%(36)

Romanian0.2%(35)

British0.1%(22)

Austrian0.1%(17)

Lithuanian0.1%(13)

Australian0.1%(11)

Belgian0%(10)

Serbian0%(10)

Armenian0%(7)

RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Italian population

Section 05

Education

Bachelor's degree or higher

9.2%

−2.3 ptsvs 2000

vs 11.5% in 2000

US average: 20.3%

High school or higher

71.8%

−7.4 ptsvs 2000

vs 79.2% in 2000

US average: 75.2%

Graduate degree

3.2%

+0.8 ptsvs 2000

vs 2.4% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

23.6 min

+33%vs 2000

vs 17.8 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 married28.1%(2,375)

Married56.8%(4,795)

Widowed2.8%(236)

Divorced12.2%(1,031)

Women 15+

Never married27%(2,468)

Married48.5%(4,427)

Widowed9.9%(902)

Divorced14.7%(1,340)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

7.5%

−0.8 ptssince 2013

from 8.3% in 2013

US average: 8.4%

Employer-based

64.5%

+1.7 ptssince 2020

from 62.8% in 2020

US average: 54.8%

Direct-purchase

12.5%

+2.1 ptssince 2020

from 10.4% in 2020

US average: 13.8%

Medicare

20.6%

+1.1 ptssince 2020

from 19.5% in 2020

US average: 18.4%

Medicaid

8.4%

−1.7 ptssince 2020

from 10.1% in 2020

US average: 20.9%

VA health care

2.1%

−0.4 ptssince 2020

from 2.5% in 2020

US average: 2.2%

Any private

75.0%

+2.6 ptssince 2020

from 72.4% in 2020

US average: 67.1%

Any public

28.1%

−0.8 ptssince 2020

from 28.9% 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)34.3%(359)

US avg: 26.4%

Gulf War (1990s)23.5%(246)

US avg: 24.3%

Vietnam era37.9%(396)

US avg: 33.1%

Korean War0%(0)

US avg: 4.5%

World War II0%(0)

US avg: 1%

Share of the 1,046 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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