Skip to main content

St. Jacob township, Illinois

St. Jacob township profile, demographic data, and geographic information.

St. Jacob township is a geographic entity located in Madison County, Illinois. As of official census estimates, it has a reported population of 2,880. The land area covers 35.81 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 2,880 — 2025 / Census
Median Age 34.4 yrs ±2.1 2020-2024 / Census ACS 5-Year 2024
Total Households 993 ±80 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 1,029 ±87
Occupied Housing Units 993 ±80
Vacant Housing Units 36 ±27
Median Home Value $244,800 ±$23,187
Median Gross Rent $1,191 ±$151
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $120,975 ±$12,621
Per Capita Income $47,226 ±$6,824
Poverty Rate 2.9% ±1.9%
Population Below Poverty Level 84 ±54
Unemployment Rate 1.4% ±0.8%
Civilian Labor Force, Employed 1,530 ±138
Broadband Internet Rate 94.5% ±10.7%
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 ST JACOB
GUS Population: 2,874 (2024)
ID: 163167
Township Official Local Government
Contact: SUPERVISOR
108 PARK RD, SAINT JACOB IL 62281-1844
GUS Population: 263,017 (2024)
ID: 162149
County Official County Government
Contact: AUDITOR
157 N MAIN ST, RM 382, EDWARDSVILLE IL 62025-1965

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-06 Belleville, IL
Regular School Nearby PK-08 Albers, IL
Regular School Nearby 03-05 Glen Carbon, IL
Regular School Nearby PK-03 Alhambra, IL
Regular School Nearby 06-08 O Fallon, IL
Regular School Nearby PK-08 Aviston, IL
Regular School Nearby PK-08 Belleville, IL
Regular School Nearby 09-12 Belleville, IL
Regular School Nearby 03-08 Breese, IL
Regular School Nearby PK-05 Troy, 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
McKendree University
College 6.8 mi away 701 College Rd, Lebanon, IL, 62254-1291
6185374481
LOUIS LATZER MEMORIAL PUBLIC LIBRARY
Library 5.1 mi away 1001 NINTH STREET, HIGHLAND, IL, 62249
(618) 654-5066
Southern Illinois University Edwardsville
College 15.1 mi away Il State Rte 157, Edwardsville, IL, 62026-1259
8883285168
LEBANON PUBLIC LIBRARY DISTRICT
Library 6.9 mi away 314 WEST SAINT LOUIS STREET, LEBANON, IL, 62254
(618) 537-4504
Southwestern Illinois College
College 15.4 mi away 2500 Carlyle Ave, Belleville, IL, 62221-5899
6182352700
TRENTON PUBLIC LIBRARY
Library 7.2 mi away 118 EAST INDIANA STREET, TRENTON, IL, 62293
(618) 224-7662
Greenville University
College 23.1 mi away 315 E. College Ave., Greenville, IL, 62246
6186642800
TRI-TOWNSHIP PUBLIC LIBRARY DISTRICT
Library 7.6 mi away 209 SOUTH MAIN STREET, TROY, IL, 62294
(618) 667-2133
Stevens-The Institute of Business & Arts
College 24.7 mi away 1521 Washington Avenue, Saint Louis, MO, 63103
31442109491101
NEW BADEN PUBLIC LIBRARY
Library 11.0 mi away 210 NORTH FIRST STREET, NEW BADEN, IL, 62265
(618) 588-4554
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 13.0 miles from St. Jacob 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
St. Jacob village Village 2.0 mi —
Highland city City 6.4 mi —
Summerfield village Village 6.6 mi —
Trenton city City 6.7 mi —
Marine village Village 6.8 mi —
Lebanon city City 7.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1711966872. • 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.