Each edition grades its towns against each other only.
A town of 430, settled in 1849.
Sonora Township’s median age is 58.1 years, where Illinois’ towns sit at 40.7 years and U.S. towns at 40.5 years. Sonora Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 1,054 in 1860, a peak of 1,485 in 1870, 437 in 2020. The archive holds 1 old photo or paper going back to 2026 and a map from 1964 on.
Who provides power, water and the rest in Sonora 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 Sonora Township.
Most working residents leave Sonora Township for work: only 8% work in town. At 19 minutes, Sonora Township’s average trip to work is below both the Illinois town median (26 minutes) and the median of U.S. towns (25 minutes). 13% of Sonora Township residents live below the poverty line.
| Sonora Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 19 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 13% | 8.4% | 9.6% |
| Median household income | $70,000 | $83,000 | $80,000 |
Census LEHD 2023 · ACS
Expected storm and flood damage is higher than in 78% of U.S. communities. Since 1993, 30 flood insurance claims have been paid out in Sonora Township.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
People 65 and older are 27% of residents (17% statewide); adults 18 to 34 are 14% of residents (23% statewide). 48% of adults 25 and older hold a bachelor’s degree or more in Sonora Township. Sonora Township has lost 4.9% of its people since 2020, down to 430 in the Census Bureau’s 2025 estimate.
53% women, 47% men
About 88 men for every 100 women (the survey’s margin: ±1.6 points). Across Illinois, 50.6% of residents are women.
| Sonora Township | IL | U.S. | |
|---|---|---|---|
| Under 10 | 17.6% | 11.5% | 11.6% |
| 10 to 17 | 0.9% | 10.4% | 10.3% |
| 18 to 24 | 6.2% | 9.1% | 9.1% |
| 25 to 34 | 7.3% | 13.6% | 13.7% |
| 35 to 44 | 9.6% | 13.3% | 13.2% |
| 45 to 54 | 5.5% | 12.4% | 12.2% |
| 55 to 64 | 25.6% | 12.8% | 12.7% |
| 65 to 74 | 16.4% | 10% | 10.2% |
| 75 and older | 11% | 7% | 7% |
| No diploma | 0.9% | 9.5% | 10.4% |
| High school | 15.5% | 25.1% | 26% |
| Some college | 22.4% | 19.2% | 19.1% |
| Associate’s | 13.6% | 8.3% | 8.8% |
| Bachelor’s | 30.9% | 22.6% | 21.6% |
| Graduate | 16.7% | 15.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 400, single groups can be off by several points
Sonora Township has chilly winters and warm summers. July afternoons reach 86°, January nights drop to 17° and about 18 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Sonora Township beats the Illinois average on 4 of 32 CDC measures and trails it on 11.
| Sonora Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 42% | 35% | 35% |
| Diabetes (CDC PLACES) | 15% | 11% | 12% |
| Frequent physical distress (CDC PLACES) | 15% | 13% | 14% |
| Obesity (CDC PLACES) | 40% | 37% | 35% |
| What stands out | Sonora Township | IL |
|---|---|---|
| Fewer uninsured adults | 7.1% | 9.9% |
| Fewer adults facing housing insecurity | 9.9% | 13.2% |
| More adults with COPD | 10.2% | 6.3% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
1.4 miles of trail in 0 parks and preserves.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Sonora Township; the nearest are
About 2 of every 100 Sonora Township residents are enrolled in college, against 6 across Illinois.
Where Sonora Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Township in Illinois, United States
Sonora Township is one of twenty-four townships in Hancock County, Illinois, USA. As of the 2020 census, its population was 437 and it contained 246 housing units.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Sonora Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.