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St. Peter, Illinois

Village in Fayette County, Illinois · ZIP 62880

  • Fayette County
  • Within Lone Grove Township
  • Census data · ACS 2019-2023
Join St. PeterAsk St. PeterBusinessesPeople
  • 312 (2024 estimate)Population
  • 104Households
  • $55,000Median household income
  • $91,400Median home value
  • 1ZIP codes

About St. Peter

This page shows only what has been published about St. Peter: 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 2020−16.6%
3003253503754002000: 38620002010: 35920102020: 3222020386322
Population of St. Peter at each census
CensusPopulation
2000386
2010359
2020322

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 St. Peter
Under $50k46%
$50k to $100k30.8%
$100k to $150k14.4%
$150k to $200k4.8%
$200k and over3.8%

Median household income $55,000 · 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 St. Peter
Owner occupied
92 units
Renter occupied
12 units
Vacancy rate
8%

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.

St. Peter compared with its county and state
St. Peter compared with its county and state, American Community Survey 2019-2023
MeasureSt. PeterFayette CountyIllinois
Population25621,38012,692,653
Median household income$55,000$57,113$81,702
Median age41.241.738.9
Median home value$91,400$114,700$250,500
Bachelor’s degree or higher14.8%16.6%37.2%
Foreign-born residents0.0%1.5%14.4%
Owner-occupied homes88.5%80.2%66.8%
Mean commute to work19.8 minutes23.9 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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Nearby towns

Other towns in Fayette County

All towns in Fayette County