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Vandalia township, Illinois

Vandalia township profile, demographic data, and geographic information.

Vandalia township is a geographic entity located in Fayette County, Illinois. As of official census estimates, it has a reported population of 6,139. The land area covers 35.08 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 6,139 — 2025 / Census
Median Age 44.5 yrs ±3.1 2020-2024 / Census ACS 5-Year 2024
Total Households 2,538 ±173 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 2,993 ±151
Occupied Housing Units 2,538 ±173
Vacant Housing Units 455 ±110
Median Home Value $109,400 ±$16,697
Median Gross Rent $777 ±$60
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $50,709 ±$6,351
Per Capita Income $30,246 ±$4,058
Poverty Rate 19.8% ±5%
Population Below Poverty Level 1,182 ±300
Unemployment Rate 5.5% ±2.5%
Civilian Labor Force, Employed 2,705 ±263
Broadband Internet Rate 83.6% ±5.9%
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 VANDALIA
GUS Population: 6,218 (2024)
ID: 193221
Township Official Local Government
Contact: SUPERVISOR
815 W FLETCHER ST, STE 3, VANDALIA IL 62471-1041
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
Alternative School Vandalia 06-09 Vandalia, IL
Alternative School Vandalia 09-12 Vandalia, IL
Career and Technical School Vandalia 11-12 Vandalia, IL
Regular School Vandalia 09-12 Vandalia, IL
Regular School Vandalia PK-03 Vandalia, IL
Regular School Vandalia 04-08 Vandalia, IL
Regular School Nearby PK-06 Brownstown, IL
Regular School Nearby 09-12 Brownstown, IL
Regular School Nearby 07-08 Brownstown, IL
6 Nearby 2-13 SAINT PETER, 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 18.1 mi away 315 E. College Ave., Greenville, IL, 62246
6186642800
EVANS PUBLIC LIBRARY DISTRICT
Library 1.0 mi away 215 SOUTH FIFTH STREET, VANDALIA, IL, 62471
(618) 283-2824
BROWNSTOWN BRANCH LIBRARY
Library 7.4 mi away 120 EAST MAIN STREET, BROWNSTOWN, IL, 62418
(618) 427-3853
RAMSEY PUBLIC LIBRARY
Library 13.1 mi away 401 SOUTH SUPERIOR STREET, RAMSEY, IL, 62080
(618) 423-2019
SAINT ELMO PUBLIC LIBRARY DISTRICT
Library 13.2 mi away 311 WEST CUMBERLAND ROAD, SAINT ELMO, IL, 62458
(618) 829-5544
PATOKA PUBLIC LIBRARY
Library 13.8 mi away 210 WEST BOND STREET, PATOKA, IL, 62875
(618) 432-5019
KINMUNDY PUBLIC LIBRARY
Library 17.5 mi away 111 SOUTH MONROE STREET, KINMUNDY, IL, 62854
(618) 547-3250
GREENVILLE PUBLIC LIBRARY
Library 18.5 mi away 414 WEST MAIN STREET, GREENVILLE, IL, 62246
(618) 664-3115
ALTAMONT PUBLIC LIBRARY
Library 19.2 mi away 121 WEST WASHINGTON AVENUE, ALTAMONT, IL, 62411
(618) 483-5457
HERRICK TOWNSHIP PUBLIC LIBRARY
Library 19.4 mi away 303 NORTH BROADWAY STREET, HERRICK, IL, 62431
(618) 428-5223
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 0.9 miles from Vandalia 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
Vandalia city City 2.2 mi —
Brownstown village Village 7.3 mi —
Mulberry Grove village Village 10.0 mi —
Vernon village Village 10.5 mi —
Bingham village Village 13.2 mi —
St. Elmo city City 13.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1705177330. • 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.