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Olio township, Illinois

Olio township profile, demographic data, and geographic information.

Olio township is a geographic entity located in Woodford County, Illinois. As of official census estimates, it has a reported population of 4,627. The land area covers 31.43 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 4,627 — 2025 / Census
Median Age 40.6 yrs ±9.8 2020-2024 / Census ACS 5-Year 2024
Total Households 2,048 ±227 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 2,174 ±226
Occupied Housing Units 2,048 ±227
Vacant Housing Units 126 ±127
Median Home Value $146,000 ±$13,357
Median Gross Rent $715 ±$73
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $55,708 ±$15,996
Per Capita Income $41,245 ±$8,228
Poverty Rate 11.6% ±5.9%
Population Below Poverty Level 480 ±244
Unemployment Rate 6.7% ±6.1%
Civilian Labor Force, Employed 2,045 ±210
Broadband Internet Rate 81.5% ±8.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
TOWNSHIP OF OLIO
GUS Population: 4,683 (2024)
ID: 125377
Township Official Local Government
Contact: SUPERVISOR
309 N LIBERTY ST, EUREKA IL 61530-1454
GUS Population: 38,290 (2024)
ID: 124852
County Official County Government
Contact: WOODFORD COUNTY CLERK
115 N MAIN ST, STE 103, EUREKA IL 61530

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 04-08 Washington, IL
Regular School Nearby KG-05 Carlock, IL
Regular School Nearby 03-04 El Paso, IL
Alternative School Nearby 07-12 Normal, IL
Regular School Nearby 05-08 Washington, IL
Regular School Nearby PK-04 Washington, IL
Regular School Nearby 06-08 Normal, IL
Regular School Nearby 04-05 Chillicothe, IL
Regular School Nearby 06-08 Chillicothe, IL
Regular School Nearby KG-05 Normal, IL
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Eureka College
College 2.5 mi away 300 E. College Avenue, Eureka, IL, 61530
3094673721
EUREKA PUBLIC LIBRARY DISTRICT
Library 2.7 mi away 202 SOUTH MAIN STREET, EUREKA, IL, 61530
(309) 467-2922
Illinois Central College
College 15.9 mi away 1 College Drive, East Peoria, IL, 61635-0001
3096945422
ROANOKE BRANCH LIBRARY
Library 6.0 mi away 123 EAST BROAD STREET, ROANOKE, IL, 61561
(309) 923-7686
Heartland Community College
College 16.5 mi away 1500 West Raab Road, Normal, IL, 61761-9446
3092688000
DEER CREEK DISTRICT LIBRARY
Library 8.2 mi away 205 EAST FIRST AVENUE, DEER CREEK, IL, 61733
(309) 447-6724
Tricoci University of Beauty Culture-Normal
College Vocational 17.0 mi away 755 West Raab Road, Normal, IL, 61761-4107
6305283330
ILLINOIS PRAIRIE DISTRICT PUBLIC LIBRARY
Library 9.1 mi away 208 EAST PARTRIDGE STREET, METAMORA, IL, 61548
(309) 921-5074
Oehrlein School of Cosmetology
College Vocational 17.9 mi away 100 Meadow Avenue, East Peoria, IL, 61611
3096991561
CARLOCK PUBLIC LIBRARY DISTRICT
Library 10.2 mi away 202 EAST WASHINGTON STREET, CARLOCK, IL, 61725
(309) 376-5651
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CONGERVILLE 2NW, IL US, located 6.4 miles from Olio township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.2° 17.1° 25.2° 2.05" 6.8"
February 38.0° 20.7° 29.4° 1.76" 5.2"
March 50.4° 31.0° 40.7° 2.44" 2.8"
April 63.2° 40.7° 52.0° 3.77" 0.8"
May 73.6° 51.9° 62.7° 4.77" 0.0"
June 82.6° 61.2° 71.9° 4.05" 0.0"
July 85.5° 64.8° 75.2° 3.86" 0.0"
August 84.3° 62.5° 73.4° 3.74" 0.0"
September 79.7° 54.5° 67.1° 3.21" 0.0"
October 66.8° 42.5° 54.6° 3.14" 0.0"
November 51.1° 32.4° 41.7° 2.64" 1.5"
December 38.6° 22.8° 30.7° 2.04" 5.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Eureka city City 2.9 mi —
Secor village Village 5.0 mi —
Goodfield village Village 6.0 mi —
Roanoke village Village 6.0 mi —
Congerville village Village 6.7 mi —
Deer Creek village Village 8.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1720355821. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.