Sullivan township, Illinois
Sullivan township profile, demographic data, and geographic information.
Sullivan township is a geographic entity located in Livingston County, Illinois. As of official census estimates, it has a reported population of 637. The land area covers 41.28 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 637 | — | 2025 / Census |
| Median Age | 45.8 yrs | ±16.4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 276 | ±49 | 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 | 303 | ±51 |
| Occupied Housing Units | 276 | ±49 |
| Vacant Housing Units | 27 | ±20 |
| Median Home Value | $113,300 | ±$17,966 |
| Median Gross Rent | $969 | ±$101 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $79,167 | ±$20,713 |
| Per Capita Income | $41,292 | ±$6,476 |
| Poverty Rate | 12% | ±6.5% |
| Population Below Poverty Level | 73 | ±42 |
| Unemployment Rate | 2.1% | ±2.4% |
| Civilian Labor Force, Employed | 285 | ±69 |
| Broadband Internet Rate | 89.9% | ±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 SULLIVAN
GUS Population: 643 (2024)
ID: 163098
|
Township | Official Local Government |
Contact: TOWNSHIP SUPERVISOR
228 S CHERRY ST, CULLOM IL 60929-9761
|
|
GUS Population: 35,375 (2024)
ID: 162145
|
County | Official County Government |
Contact: COUNTY CLERK
PO BOX 618, 112 W MADISON ST, PONTIAC IL 61764-0618
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Sullivan | PK-05 | Sullivan, IL | |
| Regular School Sullivan | 09-12 | Sullivan, IL | |
| Regular School Sullivan | 06-08 | Sullivan, IL | |
| Regular School Nearby | PK-08 | Dwight, IL | |
| Regular School Nearby | 09-12 | Dwight, IL | |
| Regular School Nearby | 09-12 | Herscher, IL | |
| Regular School Nearby | 02-05 | Herscher, IL | |
| Regular School Nearby | 04-05 | Thawville, IL | |
| Regular School Nearby | PK-08 | Odell, IL | |
| Regular School Nearby | 02-04 | Fairbury, IL |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 1 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
CHATSWORTH AREA LIBRARY
|
Library | 9.4 mi away | 501 EAST SCHOOL STREET, CHATSWORTH, IL, 60921 |
(815) 635-3004
|
|
PIPER CITY PUBLIC LIBRARY DISTRICT
|
Library | 10.4 mi away | 39 WEST MAIN STREET, PIPER CITY, IL, 60959 |
(815) 686-9234
|
|
FORREST PUBLIC LIBRARY DISTRICT
|
Library | 10.9 mi away | 301 WEST JAMES STREET, FORREST, IL, 61741 |
(815) 657-8805
|
|
ODELL PUBLIC LIBRARY DISTRICT
|
Library | 14.1 mi away | 301 EAST RICHARD STREET, ODELL, IL, 60460 |
(815) 998-2012
|
|
DOMINY MEMORIAL LIBRARY
|
Library | 14.7 mi away | 201 SOUTH THIRD STREET, FAIRBURY, IL, 61739 |
(815) 692-3231
|
|
PRAIRIE CREEK PUBLIC LIBRARY DISTRICT
|
Library | 15.6 mi away | 501 CARRIAGE HOUSE LANE, DWIGHT, IL, 60420 |
(815) 584-3061
|
|
PONTIAC PUBLIC LIBRARY
|
Library | 17.1 mi away | 211 EAST MADISON STREET, PONTIAC, IL, 61764 |
(815) 844-7229
|
|
GILMAN-DANFORTH DISTRICT LIBRARY
|
Library | 18.0 mi away | 715 NORTH MAPLE STREET, GILMAN, IL, 60938 |
(815) 265-7522
|
|
ONARGA COMMUNITY PUBLIC LIBRARY DISTRICT
|
Library | 19.2 mi away | 209 WEST SEMINARY AVENUE, ONARGA, IL, 60955 |
(815) 268-7626
|
|
CLIFTON PUBLIC LIBRARY
|
Library | 19.4 mi away | 150 EAST FOURTH AVENUE, CLIFTON, IL, 60927 |
(815) 694-2069
|
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 PIPER CITY, IL US, located 10.8 miles from Sullivan township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 35.0° | 15.6° | 25.3° | 3.40" | 8.6" |
| February | 40.1° | 18.9° | 29.5° | 2.75" | 4.4" |
| March | 51.7° | 27.9° | 39.8° | 2.97" | 3.3" |
| April | 65.2° | 38.0° | 51.6° | 4.02" | 0.9" |
| May | 76.0° | 49.2° | 62.6° | 4.91" | 0.0" |
| June | 85.0° | 60.0° | 72.5° | 4.53" | 0.0" |
| July | 87.6° | 63.1° | 75.3° | 4.90" | 0.0" |
| August | 85.3° | 60.3° | 72.8° | 4.14" | 0.0" |
| September | 80.4° | 52.2° | 66.3° | 2.86" | 0.0" |
| October | 67.8° | 41.7° | 54.8° | 3.68" | 0.0" |
| November | 52.6° | 30.7° | 41.6° | 3.22" | 1.3" |
| December | 40.2° | 21.5° | 30.8° | 3.01" | 6.2" |
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 |
|---|---|---|---|
| Cullom village | Village | 1.7 mi | — |
| Kempton village | Village | 4.8 mi | — |
| Saunemin village | Village | 5.5 mi | — |
| Emington village | Village | 6.6 mi | — |
| Cabery village | Village | 9.2 mi | — |
| Campus village | Village | 9.7 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1710573482. • 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.