Jefferson township, Illinois
Jefferson township profile, demographic data, and geographic information.
Jefferson township is a geographic entity located in Stephenson County, Illinois. As of official census estimates, it has a reported population of 242. The land area covers 18.16 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 242 | — | 2025 / Census |
| Median Age | 47.1 yrs | ±25.5 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 60 | ±21 | 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 | 60 | ±21 |
| Occupied Housing Units | 60 | ±21 |
| Vacant Housing Units | 0 | ±13 |
| Median Home Value | $135,400 | ±$39,342 |
| Median Gross Rent | Suppressed | — |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $76,250 | ±$16,661 |
| Per Capita Income | $28,739 | ±$8,695 |
| Poverty Rate | 5.7% | ±8.7% |
| Population Below Poverty Level | 9 | ±14 |
| Unemployment Rate | 0% | ±13.3% |
| Civilian Labor Force, Employed | 98 | ±35 |
| Broadband Internet Rate | 86.7% | ±13.8% |
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 JEFFERSON
GUS Population: 241 (2024)
ID: 163325
|
Township | Official Local Government |
Contact: SUPERVISOR
4550 S LORAN RD, PEARL CITY IL 61062-9215
|
|
GUS Population: 43,088 (2024)
ID: 204264
|
County | Official County Government |
Contact: ADMINISTRATOR
50 W DOUGLAS ST, STE 1002, FREEPORT IL 61032-4136
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK-04 | Freeport, IL | |
| Career and Technical School Nearby | 09-12 | Freeport, IL | |
| Regular School Nearby | 05-06 | Freeport, IL | |
| Regular School Nearby | PK-04 | Freeport, IL | |
| Regular School Nearby | PK-06 | Shannon, IL | |
| Regular School Nearby | 07-12 | Lanark, IL | |
| Regular School Nearby | PK-04 | Freeport, IL | |
| Alternative School Nearby | 06-12 | Freeport, IL | |
| Regular School Nearby | 09-12 | Freeport, IL | |
| Regular School Nearby | 07-08 | Freeport, 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 |
|---|---|---|---|---|
|
Highland Community College
|
College | 11.5 mi away | 2998 W Pearl City Rd, Freeport, IL, 61032-9341 |
8152356121
|
|
PEARL CITY PUBLIC LIBRARY DISTRICT
|
Library | 3.7 mi away | 221 SOUTH MAIN STREET, PEARL CITY, IL, 61062 |
(815) 443-2832
|
|
STOCKTON TOWNSHIP PUBLIC LIBRARY
|
Library | 9.7 mi away | 140 WEST BENTON AVENUE, STOCKTON, IL, 61085 |
(815) 947-2030
|
|
LANARK PUBLIC LIBRARY
|
Library | 10.0 mi away | 111-B SOUTH BROAD STREET, LANARK, IL, 61046 |
(815) 493-2166
|
|
LENA COMMUNITY DISTRICT LIBRARY
|
Library | 10.1 mi away | 300 WEST MASON STREET, LENA, IL, 61048 |
(815) 369-3180
|
|
MOUNT CARROLL DISTRICT LIBRARY
|
Library | 10.7 mi away | 208 NORTH MAIN STREET, MOUNT CARROLL, IL, 61053 |
(815) 244-1751
|
|
FREEPORT PUBLIC LIBRARY
|
Library | 14.4 mi away | 100 EAST DOUGLAS STREET, FREEPORT, IL, 61032 |
(815) 233-3000
|
|
CHADWICK PUBLIC LIBRARY DISTRICT
|
Library | 15.8 mi away | 110 MAIN STREET, CHADWICK, IL, 61014 |
(815) 684-5215
|
|
SAVANNA PUBLIC LIBRARY DISTRICT
|
Library | 16.9 mi away | 326 THIRD STREET, SAVANNA, IL, 61074 |
(815) 273-3714
|
|
ELIZABETH TOWNSHIP PUBLIC LIBRARY
|
Library | 17.8 mi away | 210 EAST MYRTLE STREET, ELIZABETH, IL, 61028 |
(815) 858-2212
|
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 MT CARROLL, IL US, located 10.9 miles from Jefferson township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 30.7° | 10.9° | 20.8° | 1.66" | 10.2" |
| February | 35.3° | 14.3° | 24.8° | 1.83" | 7.9" |
| March | 47.5° | 25.7° | 36.6° | 2.51" | 3.6" |
| April | 60.6° | 35.8° | 48.2° | 3.90" | 0.8" |
| May | 72.3° | 47.3° | 59.8° | 4.57" | 0.0" |
| June | 81.7° | 57.0° | 69.4° | 5.49" | 0.0" |
| July | 84.9° | 60.4° | 72.6° | 4.89" | 0.0" |
| August | 83.3° | 58.1° | 70.7° | 3.91" | 0.0" |
| September | 76.9° | 49.6° | 63.3° | 3.71" | 0.0" |
| October | 63.9° | 38.3° | 51.1° | 3.02" | 0.4" |
| November | 48.5° | 27.4° | 38.0° | 2.60" | 1.7" |
| December | 35.8° | 17.1° | 26.4° | 2.21" | 8.8" |
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 |
|---|---|---|---|
| Pearl City village | Village | 3.7 mi | — |
| Lake Carroll CDP | CDP | 5.1 mi | — |
| Stockton village | Village | 9.6 mi | — |
| Shannon village | Village | 9.8 mi | — |
| Lanark city | City | 10.0 mi | — |
| Lena village | Village | 10.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1717738284. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.