Ottawa township, Illinois
Ottawa township profile, demographic data, and geographic information.
Ottawa township is a geographic entity located in LaSalle County, Illinois. As of official census estimates, it has a reported population of 11,179. The land area covers 15.18 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 11,179 | — | 2025 / Census |
| Median Age | 43.6 yrs | ±2.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 4,857 | ±245 | 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 | 5,319 | ±259 |
| Occupied Housing Units | 4,857 | ±245 |
| Vacant Housing Units | 462 | ±192 |
| Median Home Value | $139,500 | ±$9,124 |
| Median Gross Rent | $911 | ±$70 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $70,008 | ±$9,203 |
| Per Capita Income | $42,759 | ±$8,210 |
| Poverty Rate | 16.6% | ±3.7% |
| Population Below Poverty Level | 1,810 | ±406 |
| Unemployment Rate | 8.4% | ±3.6% |
| Civilian Labor Force, Employed | 5,164 | ±471 |
| Broadband Internet Rate | 83.5% | ±3.5% |
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 OTTAWA
GUS Population: 11,211 (2024)
ID: 193231
|
Township | Official Local Government |
Contact: SUPERVISOR
325 W LAFAYETTE ST, OTTAWA IL 61350-2071
|
|
GUS Population: 108,390 (2024)
ID: 193181
|
County | Official County Government |
Contact: CHAIRMAN
707 E ETNA RD, ROOM 245, OTTAWA IL 61350-1047
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Ottawa | 05-06 | Ottawa, IL | |
| Regular School Ottawa | KG-08 | Ottawa, IL | |
| Regular School Ottawa | PK-04 | Ottawa, IL | |
| Alternative School Ottawa | 04-12 | Ottawa, IL | |
| Alternative School Ottawa | 06-08 | Ottawa, IL | |
| Alternative School Ottawa | 09-12 | Ottawa, IL | |
| Regular School Ottawa | PK-04 | Ottawa, IL | |
| Regular School Ottawa | PK-04 | Ottawa, IL | |
| Regular School Ottawa | 09-12 | Ottawa, IL | |
| Alternative School Ottawa | 12 | Ottawa, 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 |
|---|---|---|---|---|
|
Illinois Valley Community College
|
College | 11.9 mi away | 815 N Orlando Smith Road, Oglesby, IL, 61348-9692 |
8152242720
|
|
REDDICK PUBLIC LIBRARY DISTRICT
|
Library | 1.7 mi away | 1010 CANAL STREET, OTTAWA, IL, 61350 |
(815) 434-0509
|
|
Educators of Beauty College of Cosmetology-Peru
|
College Vocational | 12.4 mi away | 3602 MARQUETTE RD STE 2, PERU, IL, 61354-1450 |
8152237326
|
|
UTICA PUBLIC LIBRARY DISTRICT
|
Library | 6.8 mi away | 224 MILL STREET, UTICA, IL, 61373 |
(815) 667-4509
|
|
MARSEILLES PUBLIC LIBRARY
|
Library | 9.0 mi away | 155 EAST BLUFF STREET, MARSEILLES, IL, 61341 |
(815) 795-4437
|
|
OGLESBY PUBLIC LIBRARY DISTRICT
|
Library | 10.3 mi away | 111 SOUTH WOODLAND AVENUE, OGLESBY, IL, 61348 |
(815) 883-3619
|
|
LASALLE PUBLIC LIBRARY
|
Library | 11.3 mi away | 305 MARQUETTE STREET, LA SALLE, IL, 61301 |
(815) 223-2341
|
|
PERU PUBLIC LIBRARY
|
Library | 12.8 mi away | 1409 ELEVENTH STREET, PERU, IL, 61354 |
(815) 223-0229
|
|
SENECA PUBLIC LIBRARY DISTRICT
|
Library | 14.2 mi away | 210 NORTH MAIN STREET, SENECA, IL, 61360 |
(815) 357-6566
|
|
STREATOR PUBLIC LIBRARY
|
Library | 16.0 mi away | 130 SOUTH PARK STREET, STREATOR, IL, 61364 |
(815) 672-2729
|
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 OTTAWA 5SW, IL US, located 2.2 miles from Ottawa township. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 30.7° | 15.2° | 22.9° | 1.78" | 9.2" |
| February | 35.1° | 18.9° | 27.0° | 1.54" | 5.2" |
| March | 47.6° | 29.0° | 38.3° | 2.29" | 3.3" |
| April | 61.2° | 39.4° | 50.3° | 3.53" | 0.4" |
| May | 71.7° | 50.9° | 61.3° | 4.48" | 0.0" |
| June | 79.9° | 60.5° | 70.2° | 4.40" | 0.0" |
| July | 82.9° | 64.4° | 73.7° | 3.63" | 0.0" |
| August | 81.6° | 62.3° | 71.9° | 3.72" | 0.0" |
| September | 76.4° | 54.2° | 65.3° | 3.23" | 0.0" |
| October | 64.0° | 42.6° | 53.3° | 3.10" | 0.0" |
| November | 48.5° | 31.5° | 40.0° | 2.50" | 0.8" |
| December | 35.9° | 21.1° | 28.5° | 1.99" | 4.8" |
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 |
|---|---|---|---|
| Naplate village | Village | 1.2 mi | — |
| Ottawa city | City | 2.9 mi | — |
| Dayton CDP | CDP | 5.1 mi | — |
| North Utica village | Village | 7.3 mi | — |
| Grand Ridge village | Village | 8.2 mi | — |
| Wedron CDP | CDP | 8.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 1709956939. • 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.