Prairie Du Long township, Illinois
Prairie Du Long township profile, demographic data, and geographic information.
Prairie Du Long township is a geographic entity located in St. Clair County, Illinois. As of official census estimates, it has a reported population of 2,549. The land area covers 35.46 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,549 | — | 2025 / Census |
| Median Age | 44.1 yrs | ±3 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 911 | ±72 | 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 | 960 | ±92 |
| Occupied Housing Units | 911 | ±72 |
| Vacant Housing Units | 49 | ±61 |
| Median Home Value | $336,100 | ±$27,782 |
| 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 | $159,129 | ±$32,880 |
| Per Capita Income | $59,097 | ±$7,416 |
| Poverty Rate | 0.5% | ±0.7% |
| Population Below Poverty Level | 12 | ±17 |
| Unemployment Rate | 1.8% | ±1.9% |
| Civilian Labor Force, Employed | 1,509 | ±150 |
| Broadband Internet Rate | 98.6% | ±3% |
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 PRAIRIE DU LONG
GUS Population: 2,567 (2024)
ID: 163277
|
Township | Official Local Government |
Contact: SUPERVISOR
2505 KAISER RD, NEW ATHENS IL 62264-2511
|
|
GUS Population: 251,149 (2024)
ID: 162161
|
County | Official County Government |
Contact: AUDITOR
10 PUBLIC SQ, BELLEVILLE IL 62220-1623
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Alternative School Nearby | 06-12 | Cahokia, IL | |
| Regular School Nearby | KG-06 | Belleville, IL | |
| Regular School Nearby | PK-08 | Belleville, IL | |
| Regular School Nearby | 09-12 | Belleville, IL | |
| Regular School Nearby | 09-12 | Belleville, IL | |
| Alternative School Nearby | 09-12 | Belleville, IL | |
| Regular School Nearby | PK-06 | Dupo, IL | |
| Alternative School Nearby | 09-12 | Red Bud, IL | |
| Regular School Nearby | 09-12 | Cahokia, IL | |
| Career and Technical School Nearby | 10-12 | Red Bud, 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 |
|---|---|---|---|---|
|
Career Center of Southern Illinois
|
College Vocational | 4.9 mi away | 6137 Beck Rd, Red Bud, IL, 62278 |
6184732222
|
|
SMITHTON PUBLIC LIBRARY DISTRICT
|
Library | 3.8 mi away | 109 SOUTH MAIN STREET, SMITHTON, IL, 62285 |
(618) 233-8057
|
|
Creative Touch Cosmetology School
|
College Vocational | 8.7 mi away | 234 East 3rd Street, Waterloo, IL, 62298-1609 |
6189390322
|
|
NEW ATHENS DISTRICT LIBRARY
|
Library | 6.2 mi away | 201 NORTH VAN BUREN STREET, NEW ATHENS, IL, 62264 |
(618) 475-3255
|
|
Southwestern Illinois College
|
College | 11.8 mi away | 2500 Carlyle Ave, Belleville, IL, 62221-5899 |
6182352700
|
|
FREEBURG AREA LIBRARY DISTRICT
|
Library | 6.3 mi away | 407 SOUTH BELLEVILLE STREET, FREEBURG, IL, 62243 |
(618) 539-5454
|
|
McKendree University
|
College | 19.9 mi away | 701 College Rd, Lebanon, IL, 62254-1291 |
6185374481
|
|
MORRISON-TALBOTT LIBRARY
|
Library | 9.0 mi away | 215 PARK STREET, WATERLOO, IL, 62298 |
(618) 939-6232
|
|
Stevens-The Institute of Business & Arts
|
College | 22.5 mi away | 1521 Washington Avenue, Saint Louis, MO, 63103 |
31442109491101
|
|
MILLSTADT LIBRARY DISTRICT
|
Library | 9.3 mi away | 115 WEST LAUREL STREET, MILLSTADT, IL, 62260 |
(618) 476-1887
|
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 BELLEVILLE SIU RSCH, IL US, located 13.8 miles from Prairie Du Long township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 42.9° | 24.3° | 33.6° | 2.56" | 3.4" |
| February | 48.6° | 28.0° | 38.3° | 2.16" | 3.3" |
| March | 59.2° | 36.3° | 47.8° | 3.44" | 1.0" |
| April | 70.6° | 46.0° | 58.3° | 4.90" | 0.0" |
| May | 79.1° | 56.3° | 67.7° | 5.05" | 0.0" |
| June | 87.3° | 64.5° | 75.9° | 4.62" | 0.0" |
| July | 90.2° | 67.8° | 79.0° | 4.03" | 0.0" |
| August | 89.1° | 65.3° | 77.2° | 3.92" | 0.0" |
| September | 83.3° | 56.9° | 70.1° | 3.35" | 0.0" |
| October | 72.6° | 46.7° | 59.7° | 3.12" | 0.0" |
| November | 58.1° | 36.9° | 47.5° | 3.60" | 0.6" |
| December | 46.3° | 28.3° | 37.3° | 2.61" | 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 |
|---|---|---|---|
| Paderborn CDP | CDP | 3.2 mi | — |
| Hecker village | Village | 3.3 mi | — |
| Floraville CDP | CDP | 4.0 mi | — |
| Smithton village | Village | 4.2 mi | — |
| New Athens village | Village | 6.6 mi | — |
| Freeburg village | Village | 7.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1716361600. • 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.