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Grafton township, Illinois

Grafton township profile, demographic data, and geographic information.

Grafton township is a geographic entity located in McHenry County, Illinois. As of official census estimates, it has a reported population of 58,301. The land area covers 35.69 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 58,301 — 2025 / Census
Median Age 39.7 yrs ±1.2 2020-2024 / Census ACS 5-Year 2024
Total Households 19,645 ±520 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 19,864 ±520
Occupied Housing Units 19,645 ±520
Vacant Housing Units 219 ±122
Median Home Value $361,800 ±$7,187
Median Gross Rent $1,721 ±$162
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $130,767 ±$10,869
Per Capita Income $52,894 ±$1,905
Poverty Rate 4.4% ±1.2%
Population Below Poverty Level 2,497 ±670
Unemployment Rate 3.1% ±0.9%
Civilian Labor Force, Employed 30,238 ±890
Broadband Internet Rate 95.3% ±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
GUS Population: 57,530 (2024)
ID: 163115
Township Official Local Government
Contact: SUPERVISOR/ TREASURER
10109 VINE ST, UNIT D, HUNTLEY IL 60142-9580
GUS Population: 315,959 (2024)
ID: 162147
County Official County Government
Contact: AUDITOR
2200 N SEMINARY AVE, WOODSTOCK IL 60098-2693

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Grafton PK-04 Grafton, IL
Alternative School Grafton 08-12 Grafton, IL
Alternative School Nearby 09-12 Burlington, IL
Regular School Nearby 07-08 Elgin, IL
Regular School Nearby KG-06 Hanover Park, IL
Regular School Nearby KG-05 Algonquin, IL
Regular School Nearby 06-08 Algonquin, IL
Regular School Nearby PK-04 Fox River Grove, IL
Regular School Nearby KG-06 Hanover Park, IL
Regular School Nearby KG-05 South Barrington, 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
First Institute of Travel, Inc.
College Vocational 4.5 mi away 790 McHenry Avenue, Crystal Lake, IL, 60014
8154593500
HUNTLEY AREA PUBLIC LIBRARY DISTRICT
Library 1.7 mi away 11000 RUTH ROAD, HUNTLEY, IL, 60142
(847) 669-5386
McHenry County College
College 5.2 mi away 8900 US Hwy 14, Crystal Lake, IL, 60012-2761
8154553700
ALGONQUIN AREA PUBLIC LIBRARY DISTRICT
Library 4.4 mi away 2600 HARNISH DRIVE, ALGONQUIN, IL, 60102
(847) 458-6060
Cosmetology & Spa Academy
College Vocational 7.5 mi away 700 E. Terra Cotta, Crystal Lake, IL, 60014
8154555900
CRYSTAL LAKE PUBLIC LIBRARY
Library 5.8 mi away 126 PADDOCK STREET, CRYSTAL LAKE, IL, 60014
(815) 459-1687
Judson University
College 11.3 mi away 1151 N State St, Elgin, IL, 60123-1498
8476282500
EASTGATE BRANCH LIBRARY
Library 7.3 mi away 115 EASTGATE DRIVE, ALGONQUIN, IL, 60102
(847) 658-4343
Tricoci University of Beauty Culture-Elgin
College Vocational 12.2 mi away 264 South Randall Road, Elgin, IL, 60123-9412
6305283330
RANDALL OAKS LIBRARY
Library 7.3 mi away 500 NORTH RANDALL ROAD, WEST DUNDEE, IL, 60118
(847) 428-3661
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 CRYSTAL LAKE 4NW, IL US, located 4.8 miles from Grafton township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.5° 14.2° 22.9° 1.97" 10.0"
February 35.2° 16.3° 25.8° 1.84" 9.0"
March 46.8° 26.4° 36.6° 2.51" 4.4"
April 59.2° 36.7° 48.0° 3.76" 1.2"
May 71.3° 47.9° 59.6° 4.98" 0.0"
June 80.3° 58.4° 69.4° 5.26" 0.0"
July 84.0° 62.5° 73.3° 3.90" 0.0"
August 82.0° 61.2° 71.6° 3.81" 0.0"
September 74.4° 52.4° 63.4° 3.54" 0.0"
October 61.9° 42.4° 52.2° 3.20" 0.2"
November 47.5° 30.5° 39.0° 2.48" 1.6"
December 35.5° 20.4° 28.0° 2.10" 8.7"
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
Huntley village Village 2.4 mi —
Lakewood village Village 2.7 mi —
Crystal Lake city City 5.2 mi —
Lake in the Hills village Village 5.4 mi —
Algonquin village Village 5.6 mi —
Harmony CDP CDP 6.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1711130666. • 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.