Erienna township, Illinois
Erienna township profile, demographic data, and geographic information.
Erienna township is a geographic entity located in Grundy County, Illinois. As of official census estimates, it has a reported population of 2,496. The land area covers 20.82 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,496 | — | 2025 / Census |
| Median Age | 51.5 yrs | ±6.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,045 | ±170 | 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 | 1,051 | ±170 |
| Occupied Housing Units | 1,045 | ±170 |
| Vacant Housing Units | 6 | ±10 |
| Median Home Value | $324,100 | ±$40,090 |
| Median Gross Rent | $795 | ±$272 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $96,906 | ±$19,846 |
| Per Capita Income | $53,269 | ±$9,570 |
| Poverty Rate | 3.8% | ±4.4% |
| Population Below Poverty Level | 93 | ±109 |
| Unemployment Rate | 1.6% | ±2.2% |
| Civilian Labor Force, Employed | 929 | ±196 |
| Broadband Internet Rate | 83.6% | ±18.2% |
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 ERIENNA
GUS Population: 2,492 (2024)
ID: 125180
|
Township | Official Local Government |
Contact: SUPERVISOR
634 EDGEWATER CT, MORRIS IL 60450-3356
|
|
GUS Population: 53,835 (2024)
ID: 124842
|
County | Official County Government |
Contact: GRUNDY COUNTY TREAS
111 E WASHINGTON ST, ROOM 33, MORRIS IL 60450-2284
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-04 | Minooka, IL | |
| Regular School Nearby | 06-08 | Joliet, IL | |
| Regular School Nearby | KG-08 | Braceville, IL | |
| Regular School Nearby | KG-05 | Plainfield, IL | |
| Regular School Nearby | PK-01 | Coal City, IL | |
| Regular School Nearby | 02-03 | Coal City, IL | |
| Regular School Nearby | 09-12 | Coal City, IL | |
| Regular School Nearby | 04-05 | Coal City, IL | |
| Regular School Nearby | 06-08 | Coal City, IL | |
| Regular School Nearby | PK-08 | Gardner, 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 |
|---|---|---|---|---|
|
Joliet Junior College
|
College | 20.9 mi away | 1215 Houbolt Rd, Joliet, IL, 60431-8938 |
8157299020
|
|
SENECA PUBLIC LIBRARY DISTRICT
|
Library | 4.8 mi away | 210 NORTH MAIN STREET, SENECA, IL, 61360 |
(815) 357-6566
|
|
Professional's Choice Hair Design Academy
|
College Vocational | 23.1 mi away | 2719 W Jefferson St, Joliet, IL, 60435 |
8157418224
|
|
MORRIS AREA PUBLIC LIBRARY DISTRICT
|
Library | 5.6 mi away | 604 LIBERTY STREET, MORRIS, IL, 60450 |
(815) 942-6880
|
|
Hair Professionals School of Cosmetology
|
College Vocational | 24.6 mi away | 5460 U.S. Highway 34, Oswego, IL, 60543 |
6305542266
|
|
MARSEILLES PUBLIC LIBRARY
|
Library | 9.3 mi away | 155 EAST BLUFF STREET, MARSEILLES, IL, 61341 |
(815) 795-4437
|
|
CHARLES B. PHILLIPS PUBLIC LIBRARY DISTRICT
|
Library | 13.3 mi away | 6 NORTH JACKSON STREET, NEWARK, IL, 60541 |
(815) 695-5851
|
|
COAL CITY PUBLIC LIBRARY DISTRICT
|
Library | 13.5 mi away | 85 NORTH GARFIELD STREET, COAL CITY, IL, 60416 |
(815) 634-4552
|
|
ROBERT W. ROWE PUBLIC LIBRARY DISTRICT
|
Library | 14.7 mi away | 120 EAST SI JOHNSON AVENUE, SHERIDAN, IL, 60551 |
(815) 496-2031
|
|
MINOOKA BRANCH LIBRARY
|
Library | 15.8 mi away | 109 NORTH WABENA STREET, MINOOKA, IL, 60447 |
(815) 467-1600
|
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 MORRIS 1 NW, IL US, located 5.2 miles from Erienna township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 31.2° | 15.7° | 23.4° | 2.09" | 7.4" |
| February | 35.6° | 19.3° | 27.4° | 1.79" | 7.5" |
| March | 47.7° | 28.9° | 38.3° | 2.23" | 2.9" |
| April | 60.9° | 39.6° | 50.3° | 3.34" | 0.5" |
| May | 72.1° | 51.0° | 61.6° | 4.39" | 0.0" |
| June | 81.7° | 61.2° | 71.4° | 4.72" | 0.0" |
| July | 84.9° | 65.0° | 75.0° | 4.92" | 0.0" |
| August | 82.7° | 63.0° | 72.8° | 4.01" | 0.0" |
| September | 77.4° | 54.8° | 66.1° | 3.55" | 0.0" |
| October | 64.4° | 42.8° | 53.6° | 3.23" | 0.0" |
| November | 49.0° | 31.6° | 40.3° | 2.50" | 1.1" |
| December | 36.7° | 21.5° | 29.1° | 2.02" | 5.3" |
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 |
|---|---|---|---|
| Seneca village | Village | 5.4 mi | — |
| Morris city | City | 5.9 mi | — |
| Marseilles city | City | 7.9 mi | — |
| Mazon village | Village | 9.2 mi | — |
| Verona village | Village | 9.3 mi | — |
| Lisbon village | Village | 9.9 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1706324400. • 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.