Tonti township, Illinois
Tonti township profile, demographic data, and geographic information.
Tonti township is a geographic entity located in Marion County, Illinois. As of official census estimates, it has a reported population of 977. The land area covers 35.48 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 977 | — | 2025 / Census |
| Median Age | 50.2 yrs | ±12.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 563 | ±121 | 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 | 563 | ±121 |
| Occupied Housing Units | 563 | ±121 |
| Vacant Housing Units | 0 | ±13 |
| Median Home Value | $129,400 | ±$34,367 |
| Median Gross Rent | $972 | ±$477 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $70,130 | ±$6,971 |
| Per Capita Income | $34,250 | ±$6,312 |
| Poverty Rate | 14.1% | ±13.4% |
| Population Below Poverty Level | 186 | ±183 |
| Unemployment Rate | 0% | ±2.1% |
| Civilian Labor Force, Employed | 622 | ±169 |
| Broadband Internet Rate | 82.4% | ±9.1% |
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 TONTI
GUS Population: 985 (2024)
ID: 163178
|
Township | Official Local Government |
Contact: SUPERVISOR
6174 SHULER RD, SALEM IL 62881-4402
|
|
COUNTY OF MARION
GUS Population: 36,437 (2024)
ID: 204262
|
County | Official County Government |
Contact: CLERK - COUNTY COURTHOUSE
100 E MAIN STREET, SALEM IL 62881
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Special Education School Nearby | M | Centralia, IL | |
| Regular School Nearby | PK-08 | Centralia, IL | |
| Alternative School Nearby | 07-12 | Centralia, IL | |
| Regular School Nearby | 09-12 | Centralia, IL | |
| Regular School Nearby | 04-08 | Centralia, IL | |
| Regular School Nearby | PK | Centralia, IL | |
| Regular School Nearby | 04-08 | Salem, IL | |
| Regular School Nearby | KG-03 | Salem, IL | |
| Special Education School Nearby | M | Centralia, IL | |
| Regular School Nearby | PK-08 | Iuka, IL |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 9 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Kaskaskia College
|
College | 14.6 mi away | 27210 College Rd, Centralia, IL, 62801 |
6185453000
|
|
BRYAN-BENNETT LIBRARY
|
Library | 4.7 mi away | 315 SOUTH MAPLE STREET, SALEM, IL, 62881 |
(618) 548-3006
|
|
PATOKA PUBLIC LIBRARY
|
Library | 8.0 mi away | 210 WEST BOND STREET, PATOKA, IL, 62875 |
(618) 432-5019
|
|
KINMUNDY PUBLIC LIBRARY
|
Library | 8.9 mi away | 111 SOUTH MONROE STREET, KINMUNDY, IL, 62854 |
(618) 547-3250
|
|
CENTRALIA REGIONAL LIBRARY DISTRICT
|
Library | 14.0 mi away | 515 EAST BROADWAY AVENUE, CENTRALIA, IL, 62801 |
(618) 532-5222
|
|
EVANS PUBLIC LIBRARY DISTRICT
|
Library | 19.8 mi away | 215 SOUTH FIFTH STREET, VANDALIA, IL, 62471 |
(618) 283-2824
|
|
BROWNSTOWN BRANCH LIBRARY
|
Library | 21.3 mi away | 120 EAST MAIN STREET, BROWNSTOWN, IL, 62418 |
(618) 427-3853
|
|
CASE-HALSTEAD PUBLIC LIBRARY
|
Library | 21.7 mi away | 550 SIXTH STREET, CARLYLE, IL, 62231 |
(618) 594-5210
|
|
SAINT ELMO PUBLIC LIBRARY DISTRICT
|
Library | 24.0 mi away | 311 WEST CUMBERLAND ROAD, SAINT ELMO, IL, 62458 |
(618) 829-5544
|
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 SALEM, IL US, located 3.8 miles from Tonti township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 38.4° | 20.8° | 29.6° | 3.07" | 3.9" |
| February | 43.4° | 24.0° | 33.7° | 2.56" | 2.5" |
| March | 54.0° | 33.0° | 43.5° | 3.73" | 0.2" |
| April | 66.2° | 43.7° | 55.0° | 4.69" | 0.0" |
| May | 75.7° | 54.6° | 65.2° | 4.99" | 0.0" |
| June | 84.5° | 63.8° | 74.2° | 5.08" | 0.0" |
| July | 87.8° | 67.4° | 77.6° | 4.07" | 0.0" |
| August | 86.6° | 65.2° | 75.9° | 3.80" | 0.0" |
| September | 80.4° | 56.9° | 68.6° | 3.54" | 0.0" |
| October | 68.7° | 45.0° | 56.9° | 3.44" | 0.1" |
| November | 54.3° | 34.0° | 44.1° | 3.99" | 0.6" |
| December | 42.8° | 25.6° | 34.2° | 2.93" | 2.9" |
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 |
|---|---|---|---|
| Alma village | Village | 4.1 mi | — |
| Salem city | City | 4.4 mi | — |
| Odin village | Village | 6.6 mi | — |
| Patoka village | Village | 7.9 mi | — |
| Kinmundy city | City | 8.7 mi | — |
| Sandoval village | Village | 9.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1712175744. • 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.