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Helvetia township, Illinois

Helvetia township profile, demographic data, and geographic information.

Helvetia township is a geographic entity located in Madison County, Illinois. As of official census estimates, it has a reported population of 8,312. The land area covers 35.89 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 8,312 — 2025 / Census
Median Age 44.7 yrs ±4.5 2020-2024 / Census ACS 5-Year 2024
Total Households 3,938 ±275 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 4,120 ±286
Occupied Housing Units 3,938 ±275
Vacant Housing Units 182 ±152
Median Home Value $212,700 ±$11,147
Median Gross Rent $765 ±$149
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $84,590 ±$8,875
Per Capita Income $51,608 ±$6,711
Poverty Rate 6.1% ±3.4%
Population Below Poverty Level 502 ±279
Unemployment Rate 1.3% ±1.1%
Civilian Labor Force, Employed 4,644 ±314
Broadband Internet Rate 94.9% ±2.6%
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 HELVETIA
GUS Population: 8,299 (2024)
ID: 163160
Township Official Local Government
Contact: TOWNSHIP SUPERVISOR
817 MAIN ST, HIGHLAND IL 62249-1505
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 PK-08 Albers, 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 Bartelso, IL
Regular School Nearby PK-02 Beckemeyer, IL
Regular School Nearby PK Greenville, IL
Regular School Nearby 09-12 Greenville, 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 11.1 mi away 701 College Rd, Lebanon, IL, 62254-1291
6185374481
LOUIS LATZER MEMORIAL PUBLIC LIBRARY
Library 3.1 mi away 1001 NINTH STREET, HIGHLAND, IL, 62249
(618) 654-5066
Greenville University
College 18.6 mi away 315 E. College Ave., Greenville, IL, 62246
6186642800
TRENTON PUBLIC LIBRARY
Library 7.1 mi away 118 EAST INDIANA STREET, TRENTON, IL, 62293
(618) 224-7662
Southwestern Illinois College
College 19.6 mi away 2500 Carlyle Ave, Belleville, IL, 62221-5899
6182352700
BREESE PUBLIC LIBRARY
Library 9.3 mi away 530 NORTH THIRD STREET, BREESE, IL, 62230
(618) 526-7361
Southern Illinois University Edwardsville
College 19.7 mi away Il State Rte 157, Edwardsville, IL, 62026-1259
8883285168
LEBANON PUBLIC LIBRARY DISTRICT
Library 11.0 mi away 314 WEST SAINT LOUIS STREET, LEBANON, IL, 62254
(618) 537-4504
NEW BADEN PUBLIC LIBRARY
Library 11.7 mi away 210 NORTH FIRST STREET, NEW BADEN, IL, 62265
(618) 588-4554
GERMANTOWN PUBLIC LIBRARY DISTRICT
Library 12.0 mi away 403 MUNSTER STREET, GERMANTOWN, IL, 62245
(618) 523-4820
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 16.4 miles from Helvetia 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
Highland city City 5.0 mi —
St. Rose village Village 5.5 mi —
Aviston village Village 5.7 mi —
St. Jacob village Village 6.1 mi —
Pierron village Village 6.2 mi —
Trenton city City 6.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1711933981. • 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.