176 years in pictures
The archive holds 2 maps from 1947 on.
1 place on the National Register of Historic Places.
- 1850Ontario Township is settled
Each edition grades its towns against each other only.

Ontario Township’s average trip to work is 17 minutes, below both Illinois’ towns (26 minutes) and U.S. towns (25 minutes). J. Newton Conger House is on the National Register of Historic Places. Ontario Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Ontario Township beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 2 maps from 1947 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Ontario Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Ontario Township.
Most working residents leave Ontario Township for work: only 5% work in town. 2.5% of Ontario Township residents live below the poverty line, where Illinois’ towns sit at 8.4% and U.S. towns at 9.6%. Jobs based in Ontario Township grew to 225 in 2023, 56 more than in 2013.
| Ontario Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 2.5% | 8.4% | 9.6% |
| Working residents who work in town | 4.8% | 8.3% | 8% |
| Median household income | $72,000 | $83,000 | $80,000 |
Census LEHD 2023 · ACS
Its public schools are run by R O W V A CUSD 208. Its two schools are below.
| School | Level | Students | Letter |
|---|---|---|---|
| R O W V A Elem SchoolLargest public elementary schoolGrades PK–6 | Grades PK–6 | 369 | B+ |
| R O W V A Jr and Sr High SchoolLargest public high schoolGrades 7–12 | Grades 7–12 | 248 | B+ |
NCES · EDFacts
Ontario Township has cold winters and warm summers. July afternoons reach 84°, January nights drop to 15° and about 27 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Ontario Township beats the Illinois average on 6 of 32 CDC measures and trails it on 3. 31% of adults feel lonely in Ontario Township.
| Ontario Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 31% | 33% | 33% |
| Binge drink (CDC PLACES) | 18% | 18% | 16% |
| Food insecurity (CDC PLACES) | 9.8% | 13% | 14% |
| Frequent mental distress (CDC PLACES) | 16% | 17% | 17% |
| What stands out | Ontario Township | IL |
|---|---|---|
| Fewer uninsured adults | 6.1% | 9.9% |
| Fewer adults facing food insecurity | 9.8% | 15.9% |
| More adults who have had cancer | 10.4% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is higher than in 59% of U.S. communities.
FEMA National Risk Index · OpenFEMA
2 within 15 miles of the center of Ontario Township
About 6 of every 100 Ontario Township residents are enrolled in college, about the same as Illinois.
Where Ontario Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Unincorporated community in Illinois, United States
Ontario is an unincorporated community in Ontario Township, Knox County, Illinois, United States. Ontario is located at the junction of County Routes 6 and 35, 4 miles (6.4 km) north-northwest of Wataga.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Ontario Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.