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Big Rock township, Illinois

Big Rock township profile, demographic data, and geographic information.

Big Rock township is a geographic entity located in Kane County, Illinois. As of official census estimates, it has a reported population of 1,739. The land area covers 35.15 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 1,739 — 2025 / Census
Median Age 49.3 yrs ±11.5 2020-2024 / Census ACS 5-Year 2024
Total Households 814 ±307 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 843 ±303
Occupied Housing Units 814 ±307
Vacant Housing Units 29 ±28
Median Home Value $336,400 ±$23,079
Median Gross Rent $1,653 ±$175
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $158,250 ±$51,214
Per Capita Income $53,494 ±$11,012
Poverty Rate 10.7% ±9.7%
Population Below Poverty Level 225 ±214
Unemployment Rate 1.8% ±0.4%
Civilian Labor Force, Employed 1,187 ±599
Broadband Internet Rate 98% ±8.6%
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 BIG ROCK
GUS Population: 1,748 (2024)
ID: 163015
Township Official Local Government
Contact: TOWNSHIP SUPERVISOR
PO BOX 252, BIG ROCK IL 60511-0252
GUS Population: 520,997 (2024)
ID: 102550
County Official County Government
Contact: LAND USE PLANNER
719 S BATAVIA AVE, GENEVA IL 60134-3000

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Big Rock 05-08 Big Rock, IL
Regular School Nearby PK-05 Batavia, IL
Regular School Nearby KG-05 Saint Charles, IL
Regular School Nearby KG-06 Yorkville, IL
Regular School Nearby 06-08 Joliet, IL
Regular School Nearby 09-12 Batavia, IL
Regular School Nearby 06-08 Aurora, IL
Regular School Nearby KG-05 Saint Charles, IL
Regular School Nearby KG-02 Aurora, IL
Alternative School Nearby 12 Dekalb, 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
Waubonsee Community College
College 4.6 mi away Rte 47 at Waubonsee Drive, Sugar Grove, IL, 60554-9454
6304667900
SUGAR GROVE PUBLIC LIBRARY DISTRICT
Library 4.2 mi away 125 SOUTH MUNICIPAL DRIVE, SUGAR GROVE, IL, 60554
(630) 466-4686
Aurora University
College 9.7 mi away 347 S Gladstone Ave, Aurora, IL, 60506-4892
6308926431
KANEVILLE PUBLIC LIBRARY DISTRICT
Library 5.0 mi away 2S101 HARTER ROAD, KANEVILLE, IL, 60144
(630) 557-2441
Hair Professionals School of Cosmetology
College Vocational 10.5 mi away 5460 U.S. Highway 34, Oswego, IL, 60543
6305542266
HINCKLEY PUBLIC LIBRARY DISTRICT
Library 5.3 mi away 100 NORTH MAPLE STREET, HINCKLEY, IL, 60520
(815) 286-3220
Debutantes School of Cosmetology and Nail Technology
College Vocational 16.0 mi away 145 N. 3rd Street, Dekalb, IL, 60115-3301
8157584045
PLANO COMMUNITY LIBRARY DISTRICT
Library 6.9 mi away 15 WEST NORTH STREET, PLANO, IL, 60545
(630) 552-2009
Hair Professionals Career College
College Vocational 16.6 mi away 2245 Gateway Drive, Sycamore, IL, 60178
8157563596
WEST BRANCH LIBRARY
Library 8.8 mi away 233 SOUTH CONSTITUTION DRIVE, AURORA, IL, 60506
(630) 264-3600
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 CHICAGO AURORA MUNI AP, IL US, located 2.9 miles from Big Rock township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.5° 14.7° 22.6° 1.30" —
February 34.9° 18.0° 26.5° 1.41" —
March 47.5° 28.1° 37.8° 2.21" —
April 60.4° 37.2° 48.8° 3.60" —
May 71.9° 49.0° 60.4° 4.06" —
June 81.4° 58.5° 69.9° 3.98" —
July 84.4° 61.8° 73.1° 3.71" —
August 82.2° 59.5° 70.9° 3.35" —
September 76.2° 51.6° 63.9° 3.01" —
October 63.3° 40.6° 51.9° 3.23" —
November 48.1° 29.2° 38.6° 2.30" —
December 35.8° 20.6° 28.2° 1.68" —
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
Big Rock village Village 0.6 mi —
Sugar Grove village Village 4.8 mi —
Kaneville village Village 4.9 mi —
Hinckley village Village 5.3 mi —
Plano city City 5.7 mi —
Prestbury CDP CDP 6.0 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1708905989. • 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.