United States › Illinois › Altamont CITY
Altamont Illinois · 2,186 residents (2025 est.) · 1.54 sq mi
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The short version
Altamont is home to 2,282 people in Illinois. 22% of adults hold a bachelor's degree, below the 36% national rate. Home values have more than doubled since 2000, reaching $129,800. The foreign-born share is 0%. 78% of homes are owner-occupied. Renters pay $791 a month at the median.
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 from 2,283 in 2000
2,186 in 2025 (Census Bureau estimate)
1,485 / sq mi
Unchangedsince 2009
from 1,484 / sq mi in 2009
US average: 281
from 39.5 in 2000
US average: 38.9
Population, 1990 – 2024
2K 2K 2K 2K 3K 1990 2000 2010 2020 2024 Altamont Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $75,510
+25%inflation adjusted, since 2000
from $33,186 in 2000
US average: $82,259
from $15,478 in 2000
US average: $44,673
Households earning $100K+
from 20.0% in 2009
US average: 53.3%
from 6.9% in 2000
US average: 12.5%
from 0.414 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 10%
Transportation & warehousing 5.6%
Public administration 2.1%
Agriculture, forestry, fishing 0%
Education & health services 0%
Arts, entertainment, food 0%
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$129,800
+15%inflation adjusted, since 2000
from $61,800 in 2000
US average: $376,019
$791
−13%inflation adjusted, since 2000
from $498 in 2000
US average: $1,442
from 75.8% in 2000
22.2% rent
from 1.7% in 2009
US average: 10.0%
from 2.51 people in 2009
US average: 2.54
from 24.8% in 2009
US average: 22.9%
from 47.1% in 2009
US average: 47.4%
from 1.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 99%(2,260)
2024
White, non-Hispanic 91.6%(2,091)
from 4 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 4 more ancestry groups with data from 12.6% in 2000
US average: 35.6%
High school or higher
from 77.0% in 2000
US average: 89.6%
from 2.8% in 2000
US average: 14.0%
Section 06
Commute & transportation from 10.5 min in 2000
US average: 26.5
from 75.8% in 2009
US average: 68.9%
from 13.3% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 2.4% in 2009
US average: 15.0%
from 6.0% in 2009
US average: 2.4%
from 0.5% in 2009
US average: 0.4%
from 8.6% in 2009
US average: 8.3%
Section 07
Work & employment from 9.0% in 2011
US average: 5.2%
from 66.3% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 77.1% in 2020
US average: 74.6%
from 15.3% in 2009
US average: 13.1%
from 29.4% in 2009
US average: 42.5%
Section 08
People & community from 0.0% in 2009
US average: 14.1%
from 15.7% in 2009
US average: 6.2%
from 14.8% in 2012
US average: 13.3%
from 11.0% in 2013
US average: 8.4%
from 71.0% in 2017
US average: 91.0%
Computer in household
from 89.4% in 2020
US average: 95.5%
from 88.7% in 2020
US average: 87.7%
from 99.8% in 2016
US average: 77.7%
from 0.2% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 11.0% in 2013
US average: 8.4%
from 43.1% in 2020
US average: 54.8%
Direct-purchase
from 18.1% in 2020
US average: 13.8%
from 26.6% in 2020
US average: 18.4%
from 23.4% in 2020
US average: 20.9%
VA health care
from 4.8% in 2020
US average: 2.2%
Any private
from 61.3% in 2020
US average: 67.1%
Any public
from 44.8% 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) 36.8%(63)
Gulf War (1990s) 19.9%(34)
Share of the 171 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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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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