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CITY

Altamont

Illinois · 2,186 residents (2025 est.) · 1.537 sq mi
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Part of the Effingham micropolitan area
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The short version

Altamont has roughly average household income, with a median household income of $75,510. Population has held roughly steady since 2000. 22% 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 $129,800.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 38.9
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
2,282
Unchangedsince 2000
from 2,283 in 2000
1990 – 2025
Population density
1,485 / sq mi
Unchangedsince 2000
from 1,485 / sq mi in 2000
US average: 281
Median age
38.9
−2%since 2000
from 39.5 in 2000
US average: 38.9

PEP 2025 EST:2,186 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
2K2K2K2K3K1990201020202024Altamont
20242K
1990201020202024
Section 02

Income & economy

Median household income
$75,510
+25%inflation adjusted, since 2000
from $33,186 in 2000
US average: $82,259
1990 – 2024
Per capita income
$31,950
+106%since 2000
from $15,478 in 2000
US average: $44,673
Households earning $100K+
51.7%
+31.8 ptssince 2009
from 20.0% in 2009
US average: 53.3%
Poverty rate
15.1%
+8.2 ptssince 2000
from 6.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.367
−11%since 2010
from 0.414 in 2010
US average: 0.476
Workforce by industry, 2024
Information20.1%
US avg: 10.8%
Retail trade19.2%
US avg: 9.9%
Finance & insurance10%
US avg: 5.9%
Professional, scientific, technical10%
US avg: 5.1%
Transportation & warehousing5.6%
US avg: 2.2%
Wholesale trade5.3%
US avg: 6.9%
Other services2.1%
US avg: 6.7%
Public administration2.1%
US avg: 4.8%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$129,800
+15%inflation adjusted, since 2000
from $61,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$791
−13%inflation adjusted, since 2000
from $498 in 2000
US average: $1,442
Owner-occupied
77.8%
+2.1 ptssince 2000
from 75.8% in 2000
22.2% rent
Vacancy rate
5.1%
+3.4 ptssince 2009
from 1.7% in 2009
US average: 10.0%
Owner cost-burdened
13.7%
−11.1 ptssince 2009
from 24.8% in 2009
US average: 22.9%
Renter cost-burdened
46.2%
−0.9 ptssince 2009
from 47.1% in 2009
US average: 47.4%
Afford Score
1.7
−8%since 2000
from 1.9 in 2000
1990 – 2024
Gentrification Score
58
RELATED:See current rent listings in Altamont on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic99%(2,260)
Black0.1%(2)
Hispanic / Latino0.4%(8)
Asian0%(0)
Other0%
Diversity Score1.1%(25)
2024
White, non-Hispanic91.6%(2,091)
Black0.8%(18)
Hispanic / Latino0.4%(8)
Asian4.3%(99)
Other2.9%(66)
Diversity Score19.7%(450)
Diversity Score
20
+1695%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.7%
+9.1 ptssince 2000
from 12.6% in 2000
US average: 35.6%
High school or higher
95.0%
+18.0 ptssince 2000
from 77.0% in 2000
US average: 89.6%
Graduate degree
4.4%
+1.6 ptssince 2000
from 2.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
22.5 min
+115%since 2000
from 10.5 min in 2000
US average: 26.5
Drive alone to work
78.2%
+2.4 ptssince 2009
from 75.8% in 2009
US average: 68.9%
Carpooled to work
12.3%
−0.9 ptssince 2009
from 13.3% in 2009
US average: 8.5%
Public transit
0.5%
+0.5 ptssince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
6.3%
+4.0 ptssince 2009
from 2.4% in 2009
US average: 15.0%
Walked to work
0.0%
−6.0 ptssince 2009
from 6.0% in 2009
US average: 2.4%
Biked to work
2.3%
+1.8 ptssince 2009
from 0.5% in 2009
US average: 0.4%
No vehicle available
5.2%
−3.4 ptssince 2009
from 8.6% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.3%
−8.8 ptssince 2011
from 9.0% in 2011
US average: 5.2%
Labor force participation
57.5%
−8.8 ptssince 2011
from 66.3% in 2011
US average: 63.5%
Self-employed
11.0%
−4.3 ptssince 2009
from 15.3% in 2009
US average: 13.1%
Management & professional
19.0%
−42.0 ptssince 2009
from 61.1% in 2009
US average: 42.5%
Section 08

People & community

Male
47.6%
−1.4 ptssince 2009
from 49.0% in 2009
Female
52.4%
+1.4 ptssince 2009
from 51.0% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
10.1%
−36.6 ptssince 2009
from 46.7% in 2009
US average: 6.2%
With a disability
16.1%
+1.3 ptssince 2012
from 14.8% in 2012
US average: 13.3%
Uninsured
5.8%
−83.2 ptssince 2013
from 89.0% in 2013
US average: 8.4%
Broadband at home
89.0%
+18.0 ptssince 2017
from 71.0% in 2017
US average: 91.0%
English only at home
95.4%
−4.4 ptssince 2016
from 99.8% in 2016
US average: 77.7%
Spanish at home
0.4%
+0.2 ptssince 2016
from 0.2% in 2016
US average: 13.6%
Drill deeper

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Compare Altamont to nearby cities

ALTAMONT VS
Effingham
Income$72,377−4%
Home value$177,500+37%
Population12,406+468%
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ALTAMONT VS
Mattoon
Income$51,597−32%
Home value$97,700−25%
Population16,667+662%
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ALTAMONT VS
Centralia
Income$47,807−37%
Home value$89,600−31%
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ALTAMONT VS
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Income$59,980−21%
Home value$99,800−23%
Population8,347+282%
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Frequently asked

How many people live in Altamont, Illinois?

Altamont, Illinois has about 2,282 residents according to the 2024 American Community Survey.

What is the median household income in Altamont, Illinois?

The typical household in Altamont, Illinois earns about $75,510 a year. Half of households make more than that, and half make less.

Is Altamont, Illinois expensive?

In Altamont, Illinois, the median home is worth about $129,800, and the typical rent is about $791 a month.

How educated are people in Altamont, Illinois?

About 21.7% of adults age 25 and over in Altamont, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Altamont, Illinois?

About 15.1% of people in Altamont, Illinois live below the federal poverty line.

Has Altamont, Illinois grown since 1990?

Yes, Altamont, Illinois has shrunk since 1990. The population has lost about 47 residents, a change of about -2 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 →