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Onarga, Iroquois County, Illinois

Village in Iroquois County, Illinois · ZIP 60955

  • Iroquois County
  • Within Onarga Township
  • Census data · ACS 2019-2023
  • 1 public schools
  • 1,294 (2024 estimate)Population
  • 508Households
  • $64,286Median household income
  • $96,500Median home value
  • 1Public schools
  • 1ZIP codes

About Onarga

This page shows only what has been published about Onarga: 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 2020−7.3%
1.3k1.4k1.4k1.5k2000: 1,43820002010: 1,36820102020: 1,33320201,4381,333
Population of Onarga at each census
CensusPopulation
20001,438
20101,368
20201,333

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 Onarga
Under $50k33.3%
$50k to $100k36.4%
$100k to $150k23%
$150k to $200k4.5%
$200k and over2.8%

Median household income $64,286 · 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 Onarga
Owner occupied
436 units
Renter occupied
72 units
Vacancy rate
8.3%

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.

Onarga compared with its county and state
Onarga compared with its county and state, American Community Survey 2019-2023
MeasureOnargaIroquois CountyIllinois
Population1,36226,74612,692,653
Median household income$64,286$62,439$81,702
Median age42.844.438.9
Median home value$96,500$125,400$250,500
Bachelor’s degree or higher10.1%16.7%37.2%
Foreign-born residents32.7%3.5%14.4%
Owner-occupied homes85.8%78.5%66.8%
Mean commute to work19.0 minutes24.1 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 Onarga1
Public schools in Onarga, NCES directory 2023–2024
SchoolTypeGradesDistrict
Iroquois West Middle SchoolPublic6–8Iroquois West 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.

Frequently asked about OnargaPromoted from questions people asked

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Nearby towns

Other towns in Iroquois County

All towns in Iroquois County

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