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Altamont, Illinois

City in Effingham County, Illinois · ZIP 62411

  • Effingham County
  • Within Mound Township
  • Census data · ACS 2019-2023
  • 2 public schools
Join AltamontAsk AltamontBusinessesPeople
  • 2,200 (2024 estimate)Population
  • 994Households
  • $76,198Median household income
  • $132,200Median home value
  • 2Public schools
  • 1ZIP codes

About Altamont

This page shows only what has been published about Altamont: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−2.9%
2.2k2.3k2.3k2.4k2000: 2,28320002010: 2,31920102020: 2,21620202,2832,216
Population of Altamont at each census
CensusPopulation
20002,283
20102,319
20202,216

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.

Household income in Altamont
Under $50k30.7%
$50k to $100k39.3%
$100k to $150k22.5%
$150k to $200k3.3%
$200k and over4%

Median household income $76,198 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 17, retrieved November 14, 2026.

Housing tenure in Altamont
Owner occupied
775 units
Renter occupied
219 units
Vacancy rate
4.4%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

Altamont compared with its county and state
Altamont compared with its county and state, American Community Survey 2019-2023
MeasureAltamontEffingham CountyIllinois
Population2,50034,50512,692,653
Median household income$76,198$75,380$81,702
Median age38.039.538.9
Median home value$132,200$179,800$250,500
Bachelor’s degree or higher18.6%26.0%37.2%
Foreign-born residents0.0%2.1%14.4%
Owner-occupied homes78.0%78.1%66.8%
Mean commute to work25.3 minutes18.3 minutes28.1 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.

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Schools

Public schools in Altamont2
Public schools in Altamont, NCES directory 2023–2024
SchoolTypeGradesDistrict
Altamont Grade SchoolPublicPre-K–8Altamont CUSD 10
Altamont High SchoolPublic9–12Altamont CUSD 10

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Legislative districts

Legislative districts for Altamont3
Congressional and state legislative districts for Altamont
ChamberDistrict
U.S. House of RepresentativesCongressional District 12 (IL-12)
State legislature, lower chamberState House District 107
State legislature, upper chamberState Senate District 54

Boundaries from the Census Bureau’s TIGER/Line district files, matched to Altamont’s own boundary. Who holds each seat appears on the People page once the official records are approved.

Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 17, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 17, retrieved November 14, 2026.

Frequently asked about AltamontPromoted from questions people asked

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Nearby towns

Other towns in Effingham County

All towns in Effingham County