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CITY · 1990 CENSUS

Diamond

Missouri · 831 residents · 0.75 sq mi
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The short version

With 831 people, Diamond is a city in Missouri. 8% of adults hold a bachelor's degree, below the 20% national rate. Median home value sits at $39,200. 75% of homes are owner-occupied. Households here earn about 22% less than in Missouri as a whole. Renters pay $286 a month at the median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 31.4
US median: 33.0
Less educated
8% hold a bachelor's degree
US average: 20%
More affordable
home values down 6%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

831
+3%vs 2000
vs 807 in 2000
1990 – 2025
31.4
−4%vs 2000
vs 32.8 in 2000
US average: 33.0
Land area
0.75 sq mi
Population, 19902024
6487468459431K19902000201020202024Diamond
2024914
1990201020202024
Age distribution, 1990
Under 59.3%(77)
US avg: 7.3%
5 to 99.7%(81)
US avg: 7.3%
10 to 148.3%(69)
US avg: 6.9%
15 to 195.4%(45)
US avg: 7.1%
20 to 246.1%(51)
US avg: 7.5%
25 to 3420.2%(168)
US avg: 17.5%
35 to 4414.4%(120)
US avg: 15.1%
45 to 547.7%(64)
US avg: 10.2%
55 to 647.2%(60)
US avg: 8.5%
65 to 746.7%(56)
US avg: 7.3%
75 to 844.3%(36)
US avg: 4%
85 and over0.5%(4)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$20,489
−7%inflation adjusted, since 2000
vs $29,000 in 2000
US average: $30,130
1990 – 2024
$8,681
−36%vs 2000
vs $13,581 in 2000
US average: $14,340
15.2%
+3.7 ptsvs 2000
vs 11.5% in 2000
US average: 13.2%
Section 03

Housing

$39,200
−6%inflation adjusted, since 2000
vs $54,700 in 2000
US average: $93,722
1990 – 2024
$286
−7%inflation adjusted, since 2000
vs $406 in 2000
US average: $450
75.0%
+10.1 ptsvs 2000
vs 64.9% in 2000
25.0% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic95.5%(771)
Black0.7%(6)
Hispanic / Latino1.4%(11)
Asian0.1%(1)
Other0%
1990
White, non-Hispanic99.5%(827)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0.5%(4)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican7.4%(68)
Dominican0.5%(5)
Ancestry
English17.5%(160)
German11.6%(106)
Irish7.3%(67)
American6.8%(62)
Polish2.6%(24)
Scottish2.3%(21)
Scotch-Irish2.1%(19)
Dutch1.9%(17)
Norwegian0.8%(7)
Russian0.5%(5)
Welsh0.5%(5)
Austrian0.4%(4)
+ 5 more ancestry groups with data
French0.4%(4)
Italian0.3%(3)
Portuguese0.3%(3)
Danish0.2%(2)
Swedish0.2%(2)
Section 05

Education

7.9%
−1.5 ptsvs 2000
vs 9.4% in 2000
US average: 20.3%
High school or higher
78.3%
−2.3 ptsvs 2000
vs 80.6% in 2000
US average: 75.2%
2.6%
Unchangedvs 2000
vs 2.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

21.4 min
+57%vs 2000
vs 13.6 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 married31.3%(121)
Married45.9%(177)
Widowed2.6%(10)
Divorced20.2%(78)
Women 15+
Never married31.8%(122)
Married43.5%(167)
Widowed7.3%(28)
Divorced17.4%(67)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

9.6%
−5.9 ptssince 2013
from 15.5% in 2013
US average: 8.4%
68.4%
−0.4 ptssince 2020
from 68.8% in 2020
US average: 54.8%
Direct-purchase
7.3%
−4.6 ptssince 2020
from 11.9% in 2020
US average: 13.8%
16.4%
+0.2 ptssince 2020
from 16.2% in 2020
US average: 18.4%
10.6%
+2.8 ptssince 2020
from 7.8% in 2020
US average: 20.9%
VA health care
1.4%
−0.2 ptssince 2020
from 1.6% in 2020
US average: 2.2%
Any private
74.4%
−5.2 ptssince 2020
from 79.6% in 2020
US average: 67.1%
Any public
24.3%
+3.0 ptssince 2020
from 21.3% 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)52.1%(25)
US avg: 26.4%
Gulf War (1990s)31.3%(15)
US avg: 24.3%
Vietnam era29.2%(14)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 48 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 Diamond, Missouri?

Diamond, Missouri has about 831 residents according to the 1990 Census.

What is the median household income in Diamond, Missouri?

The typical household in Diamond, Missouri earns about $20,489 a year. Half of households make more than that, and half make less.

Is Diamond, Missouri expensive?

In Diamond, Missouri, the median home is worth about $39,200, and the typical rent is about $286 a month.

How educated are people in Diamond, Missouri?

About 7.9% of adults age 25 and over in Diamond, Missouri hold a bachelor's degree or higher.

What is the poverty rate in Diamond, Missouri?

About 15.2% of people in Diamond, Missouri 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 →