Seminary township, Illinois
Seminary township profile, demographic data, and geographic information.
Seminary township is a geographic entity located in Fayette County, Illinois. As of official census estimates, it has a reported population of 476. The land area covers 44.92 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 476 | — | 2025 / Census |
| Median Age | 53.8 yrs | ±17.9 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 257 | ±84 | 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 | 264 | ±85 |
| Occupied Housing Units | 257 | ±84 |
| Vacant Housing Units | 7 | ±11 |
| Median Home Value | $193,800 | ±$188,404 |
| 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 | $39,617 | ±$14,628 |
| Per Capita Income | $33,620 | ±$10,048 |
| Poverty Rate | 7.2% | ±6.9% |
| Population Below Poverty Level | 46 | ±46 |
| Unemployment Rate | 0% | ±6% |
| Civilian Labor Force, Employed | 218 | ±109 |
| Broadband Internet Rate | 86.8% | ±18.5% |
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 SEMINARY
GUS Population: 481 (2024)
ID: 162883
|
Township | Official Local Government |
Contact: SUPERVISOR
988 N. 300 STREET, VANDALIA IL 62471
|
|
GUS Population: 21,157 (2024)
ID: 193180
|
County | Official County Government |
Contact: TREASURER
PO BOX 401, VANDALIA IL 62471-0401
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK | Greenville, IL | |
| Regular School Nearby | 09-12 | Greenville, IL | |
| Regular School Nearby | PK-06 | Brownstown, IL | |
| Regular School Nearby | 09-12 | Brownstown, IL | |
| Regular School Nearby | 07-08 | Brownstown, IL | |
| Alternative School Nearby | 06-09 | Vandalia, IL | |
| Regular School Nearby | PK-05 | Greenville, IL | |
| Regular School Nearby | 06-08 | Greenville, IL | |
| Regular School Nearby | PK-05 | Mulberry Grove, IL | |
| Regular School Nearby | 06-08 | Mulberry Grove, 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 |
|---|---|---|---|---|
|
Greenville University
|
College | 11.2 mi away | 315 E. College Ave., Greenville, IL, 62246 |
6186642800
|
|
EVANS PUBLIC LIBRARY DISTRICT
|
Library | 8.8 mi away | 215 SOUTH FIFTH STREET, VANDALIA, IL, 62471 |
(618) 283-2824
|
|
Kaskaskia College
|
College | 20.9 mi away | 27210 College Rd, Centralia, IL, 62801 |
6185453000
|
|
PATOKA PUBLIC LIBRARY
|
Library | 9.5 mi away | 210 WEST BOND STREET, PATOKA, IL, 62875 |
(618) 432-5019
|
|
GREENVILLE PUBLIC LIBRARY
|
Library | 11.5 mi away | 414 WEST MAIN STREET, GREENVILLE, IL, 62246 |
(618) 664-3115
|
|
BROWNSTOWN BRANCH LIBRARY
|
Library | 16.3 mi away | 120 EAST MAIN STREET, BROWNSTOWN, IL, 62418 |
(618) 427-3853
|
|
CASE-HALSTEAD PUBLIC LIBRARY
|
Library | 19.6 mi away | 550 SIXTH STREET, CARLYLE, IL, 62231 |
(618) 594-5210
|
|
RAMSEY PUBLIC LIBRARY
|
Library | 19.8 mi away | 401 SOUTH SUPERIOR STREET, RAMSEY, IL, 62080 |
(618) 423-2019
|
|
KINMUNDY PUBLIC LIBRARY
|
Library | 20.1 mi away | 111 SOUTH MONROE STREET, KINMUNDY, IL, 62854 |
(618) 547-3250
|
|
BRYAN-BENNETT LIBRARY
|
Library | 21.5 mi away | 315 SOUTH MAPLE STREET, SALEM, IL, 62881 |
(618) 548-3006
|
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 VANDALIA, IL US, located 8.7 miles from Seminary township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 36.9° | 20.7° | 28.8° | 2.97" | — |
| February | 41.9° | 24.2° | 33.0° | 2.49" | — |
| March | 52.7° | 33.2° | 42.9° | 3.32" | — |
| April | 65.1° | 43.3° | 54.2° | 4.86" | — |
| May | 74.9° | 54.2° | 64.6° | 5.30" | — |
| June | 83.7° | 63.2° | 73.5° | 4.87" | — |
| July | 86.8° | 66.6° | 76.7° | 3.90" | — |
| August | 85.9° | 64.4° | 75.2° | 3.24" | — |
| September | 79.6° | 55.8° | 67.7° | 3.07" | — |
| October | 67.7° | 44.0° | 55.8° | 3.26" | — |
| November | 53.7° | 34.1° | 43.9° | 3.76" | — |
| December | 41.5° | 25.6° | 33.6° | 2.69" | — |
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 |
|---|---|---|---|
| Mulberry Grove village | Village | 5.2 mi | — |
| Smithboro village | Village | 7.6 mi | — |
| Vernon village | Village | 7.6 mi | — |
| Keyesport village | Village | 9.0 mi | — |
| Vandalia city | City | 9.1 mi | — |
| Patoka village | Village | 9.6 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1705168601. • 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.