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CITY

Diamond

Illinois · 2,714 residents (2025 est.) · 1.9 sq mi
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The short version

Diamond has lower-than-average household income, with a median household income of $73,201. The city has more than doubled in size since 2000, adding 1,591 residents. 13% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $220,200.

At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 35.5
US median: 38.9
Less educated
13% hold a bachelor's degree
US average: 36%
Less affordable
home values up 26%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
2,984
+114%since 2000
from 1,393 in 2000
1990 – 2025
Population density
1,571 / sq mi
+114%since 2000
from 733 / sq mi in 2000
US average: 281
Median age
35.5
+1%since 2000
from 35.1 in 2000
US average: 38.9

PEP 2025 EST:2,714 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
9091K2K3K3K1990201020202024Diamond
20243K
1990201020202024
Section 02

Income & economy

Median household income
$73,201
−8%inflation adjusted, since 2000
from $43,750 in 2000
US average: $82,259
1990 – 2024
Per capita income
$37,611
+86%since 2000
from $20,223 in 2000
US average: $44,673
Households earning $100K+
47.4%
+11.9 ptssince 2009
from 35.5% in 2009
US average: 53.3%
Poverty rate
10.5%
+1.9 ptssince 2000
from 8.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.426
+18%since 2010
from 0.360 in 2010
US average: 0.476
Workforce by industry, 2024
Information16.7%
US avg: 10.8%
Wholesale trade12.9%
US avg: 6.9%
Finance & insurance8.8%
US avg: 5.9%
Professional, scientific, technical8.5%
US avg: 5.1%
Retail trade7.3%
US avg: 9.9%
Agriculture, forestry, fishing2.8%
US avg: 1.6%
Transportation & warehousing2.1%
US avg: 2.2%
Construction1.9%
US avg: 1.2%
Manufacturing0.9%
US avg: 0.4%
Other services0.9%
US avg: 6.7%
Public administration0.6%
US avg: 4.8%
Arts, entertainment, food0.4%
US avg: 1.9%
Education & health services0.4%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$220,200
+26%inflation adjusted, since 2000
from $96,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,357
+8%inflation adjusted, since 2000
from $688 in 2000
US average: $1,442
Owner-occupied
80.0%
+4.5 ptssince 2000
from 75.5% in 2000
20.0% rent
Vacancy rate
0.6%
−13.1 ptssince 2009
from 13.7% in 2009
US average: 10.0%
Owner cost-burdened
25.5%
−3.5 ptssince 2009
from 29.0% in 2009
US average: 22.9%
Renter cost-burdened
29.1%
+1.1 ptssince 2009
from 28.0% in 2009
US average: 47.4%
Afford Score
3.0
+37%since 2000
from 2.2 in 2000
1990 – 2024
Gentrification Score
26
RELATED:See current rent listings in Diamond on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.8%(1,320)
Black0%(0)
Hispanic / Latino3.5%(49)
Asian0.1%(1)
Other0%
Diversity Score8.8%(123)
2024
White, non-Hispanic83%(2,477)
Black1.3%(39)
Hispanic / Latino12.4%(369)
Asian0%(0)
Other3.3%(99)
Diversity Score36.8%(1,098)
Diversity Score
37
+318%since 2000
from 9 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
12.9%
+3.9 ptssince 2000
from 9.0% in 2000
US average: 35.6%
High school or higher
96.3%
+11.5 ptssince 2000
from 84.8% in 2000
US average: 89.6%
Graduate degree
5.1%
+2.1 ptssince 2000
from 3.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.3 min
+13%since 2000
from 23.2 min in 2000
US average: 26.5
Drive alone to work
86.7%
−0.8 ptssince 2009
from 87.5% in 2009
US average: 68.9%
Carpooled to work
8.9%
−0.2 ptssince 2009
from 9.1% in 2009
US average: 8.5%
Public transit
0.0%
−1.5 ptssince 2009
from 1.5% in 2009
US average: 3.2%
Worked from home
3.0%
+2.2 ptssince 2009
from 0.7% in 2009
US average: 15.0%
Walked to work
0.6%
+0.1 ptssince 2009
from 0.5% in 2009
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
1.8%
−0.1 ptssince 2009
from 1.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.4%
−8.3 ptssince 2011
from 8.7% in 2011
US average: 5.2%
Labor force participation
66.6%
−2.6 ptssince 2011
from 69.2% in 2011
US average: 63.5%
Self-employed
10.2%
+4.7 ptssince 2009
from 5.5% in 2009
US average: 13.1%
Management & professional
24.7%
−28.5 ptssince 2009
from 53.2% in 2009
US average: 42.5%
Section 08

People & community

Male
48.0%
−2.3 ptssince 2009
from 50.3% in 2009
Female
52.0%
+2.3 ptssince 2009
from 49.7% in 2009
Foreign born
3.7%
+1.6 ptssince 2009
from 2.1% in 2009
US average: 14.1%
Veterans
6.1%
−45.0 ptssince 2009
from 51.1% in 2009
US average: 6.2%
With a disability
14.3%
+4.6 ptssince 2012
from 9.7% in 2012
US average: 13.3%
Uninsured
1.9%
−85.6 ptssince 2013
from 87.5% in 2013
US average: 8.4%
Broadband at home
86.5%
+4.6 ptssince 2017
from 81.9% in 2017
US average: 91.0%
English only at home
93.0%
−0.6 ptssince 2016
from 93.5% in 2016
US average: 77.7%
Spanish at home
5.4%
−0.3 ptssince 2016
from 5.7% in 2016
US average: 13.6%
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Frequently asked

How many people live in Diamond, Illinois?

Diamond, Illinois has about 2,984 residents according to the 2024 American Community Survey.

What is the median household income in Diamond, Illinois?

The typical household in Diamond, Illinois earns about $73,201 a year. Half of households make more than that, and half make less.

Is Diamond, Illinois expensive?

In Diamond, Illinois, the median home is worth about $220,200, and the typical rent is about $1,357 a month.

How educated are people in Diamond, Illinois?

About 12.9% of adults age 25 and over in Diamond, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Diamond, Illinois?

About 10.5% of people in Diamond, Illinois live below the federal poverty line.

Has Diamond, Illinois grown since 1990?

Yes, Diamond, Illinois has grown since 1990. The population has added about 1,886 residents, a change of about 172 percent over that period.

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

How we source and harmonize this data →