19960720 05 BNSF near Somonauk, IL, 1996
Somonauk Township’s story
190 years in pictures
The archive holds 4 old photos and papers going back to 1996.
- 1836Somonauk Township is settled
Somonauk TownshipIL
Population
1,982
2025 Census estimate · −1.1% since 2020
Median home value
$264K
Census ACS
Household income
$100K
median
Median age
44.5
years
Jobs based here
447
A commuter town
Is Somonauk Township a good place to live?
2.4% of residents live below the poverty line in Somonauk Township, against 8.4% in Illinois’ towns and 9.6% across U.S. towns. Sannauk Forest Preserve, at 77 acres with 1.6 miles of trail, is the biggest park or preserve. We don’t grade Somonauk Township yet; the figures below are still real.
What makes Somonauk Township stand out
Where Somonauk Township beats most towns.
A commuter town
96% of working residents leave Somonauk Township for work
Where Somonauk Township’s working residents go each day. Line width shows the share.
447jobs based in Somonauk Township
4%of working residents work in town
25 mimedian commute distance
Census LEHD 2023
Getting set up
The full setup list →Moving to Somonauk Township: who provides what
Who provides power, water and the rest in Somonauk Township, and how to reach them.
PowerCommonwealth Edison17.7¢/kWh · EIA 2025HIFLD · EIA
WaterSomonauk water systemNo health-based violations in 5 years · EPAEPA
Internet8 providers93% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Somonauk Township’s trash rules yet
SchoolsSomonauk Community Unit School District 432Sandwich Community Unit School District 4302 districts serve Somonauk Township; which school depends on your address and gradeNCES
Register to voteOnlineIn Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before).vote.govWho runs elections hereDeKalb County ClerkDeKalb County; contacts on the Handbook page.FVAP, Jun 2023
ZIP codes60552, 6054860552 91% · 60548 9%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
The data
Ordered by what stands out in Somonauk Township.
Work & commute
Somonauk Township has 0.5 jobs per working resident, so most workers leave town for work
In Somonauk Township, 4.1% of working residents work locally. Half of commuters travel less than 25 miles. The typical household income locally is $100,000. The top destinations are Sandwich (8%), Aurora (7%) and Chicago (4%).
4%work in town
| Somonauk Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Median household income | $100,000 | $83,000 | $80,000 |
| Working residents who work in town | 4.1% | 8.3% | 8% |
| Average trip to work | 27 minutes | 26 minutes | 25 minutes |
| Work from home | 9.2% | 11% | 11% |
Where working residents work
In Somonauk Township4%
Sandwich8%
Aurora7%
Chicago4%
Somonauk4%
25 mi
median commute distance
447
jobs based in Somonauk Township
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACS
Schools
The schools Somonauk Township’s kids attend
Its public schools are run by Somonauk CUSD 432. 3 public schools serve Somonauk Township, with 771 students in all.
| School | Level | Students | Letter |
|---|---|---|---|
| James R Wood Elem SchoolLargest public elementary schoolGrades PK–4 | Grades PK–4 | 298 | B− |
| Somonauk High SchoolLargest public high schoolGrades 9–12 | Grades 9–12 | 224 | B− |
| Somonauk Middle SchoolTop results in townGrades 5–8 | Grades 5–8 | 249 | A |
NCES · EDFacts
Climate
In Somonauk Township, expect four seasons and pleasant summers
The range runs from 15° on a January night to 84° on a July afternoon, with about 30 inches of snow a winter.
30″snow a winter
Typical low → high °F
Winter18–33°
Spring38–60°
Summer61–82°
Fall42–62°
Oct 13
typical first frost
Apr 28
typical last frost
+1.1°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Natural hazards
Top of a low hazard risk in Somonauk Township: inland flooding
52% of Somonauk Township’s expected losses from natural hazards come from inland flooding, followed by cold waves at 21%. Compared with nearly two thirds of U.S. communities, expected storm and flood damage locally is lower.
34risk score of 100
FEMA risk score
Inland floodingCold wavesTornadoes
FEMA National Risk Index · OpenFEMA
Health
How healthy Somonauk Township is
For adults in Somonauk Township, the share who sleep under 7 hours is 34%. Of 32 CDC measures, Somonauk Township beats the Illinois average on 6 and trails it on 2.
| Somonauk Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 19% | 18% | 16% |
| Get no exercise (CDC PLACES) | 21% | 23% | 25% |
| Sleep under 7 hours (CDC PLACES) | 34% | 35% | 36% |
| Fair or poor health (CDC PLACES) | 17% | 18% | 19% |
32 measures vs. Illinois
6 better24 too close to call2 worse
| What stands out | Somonauk Township | IL |
|---|---|---|
| Fewer adults facing food insecurity | 11.2% | 15.9% |
| Fewer adults facing housing insecurity | 9.7% | 13.2% |
| More adults who have had cancer | 9.4% | 7.6% |
Valley West Community Hospital
4.4 mi away · emergency room
2 of 3
care shortages: primary care, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Outdoors
Somonauk Township keeps 0.6% of its land conserved
Walkers can cover 3.3 miles of trail in 2 parks and preserves. Somonauk Township’s trail network density comes in at 0.2 miles per square mile.
0.6%conserved
| Somonauk Township | Illinois towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 0.6% | 3.7% | 4.3% |
| Miles of trail per square mile | 0.2 miles per square mile | 0.3 | 0.4 |
0.6%
conserved · 74 of 12,312 acres
3.3 mi
of trails · 0.2 per sq mi
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Sannauk Forest Preserve | 1.6 mi | 77 |
| 2. Finding Heroes Park | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Nearby attractions
All 162 attractions →Starved Rock State Park and 23 more within 40 miles
Museums, parks, gardens and other places to visit around Somonauk Township. Close and well known come first.
29 mi State parkStarved Rock State Park30 mi Park & preserveMazon Creek
39 mi MuseumIllinois Railway Museum
33 mi MuseumMorton Arboretum
40 mi LandmarkSite A / Plot M Disposal Site
18 mi TheatreEgyptian Theatre, DeKalbSources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits
Starved Rock State Park: Chris Light (talk), CC BY-SA 3.0 · Illinois Railway Museum: The original uploader was Slambo at English Wikipedia., CC BY-SA 2.0 · Morton Arboretum: Bruce Marlin, CC BY-SA 2.5 · Site A / Plot M Disposal Site: Eric Schmuttenmaer, CC BY-SA 2.0 · Egyptian Theatre, DeKalb: Andy McMurray, CC BY 2.5
Keep exploring
Everything we know about Somonauk Township
18pages on Somonauk Township
The big questions
Out and about
After high school
Colleges nearby
1 within 15 miles of the center of Somonauk Township
About 4 of every 100 Somonauk Township residents are enrolled in college, against 6 across Illinois.
About Somonauk Township
Village in Illinois, United States
Somonauk is a village in DeKalb and LaSalle Counties in the U.S. state of Illinois. The population was 1,786 at the 2020 Census, down from 1,893 at the 2010 Census. The DeKalb County portion of Somonauk is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area, while the small portion that lies in LaSalle County is part of the Ottawa, IL Micropolitan Statistical Area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 2.3 sq mi
- Elevation
- 686 ft
- ZIP code
- 60552
Somonauk Township’s neighbors
3 towns share a border with Somonauk Township.
Sandwich TownshipNorthville TownshipVictor TownshipSomonauk Township
How the neighbors grade
| Town | IL rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Somonauk Township | — | — | — | — | — | — |
| Sandwich Township | — | — | — | — | — | — |
| Northville Township | #433 | B | C | — | B+ | B+ |
| Victor Township | — | — | — | — | — | — |
Northville Township reports no FBI crime data of its own. Somonauk Township, Sandwich Township and Victor Township aren’t graded (fewer than 1,000 residents, or not enough data). Compare Somonauk Township with a neighbor →
Questions about Somonauk Township
Short answers, built from the data on this page.
Is Somonauk Township, IL a good place to live?
We don’t grade Somonauk Township yet; the figures below are still real.