Trenton is a city in Clinton County, Illinois, home to about 2,664 people across 1.9 square miles. Its ZIP code is 62293.
Homes sold for a median of $116 per square foot in the three months ending August 2026, a seller’s market.
Mostly Trenton; also Summerfield
Each card is that ZIP code’s whole market, including any part outside Trenton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Trenton’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Trenton well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | St. Louis Lambert International Airport (STL)40 miles away |
|---|---|
| Closer regional airport | Scott AFB/Midamerica Airport (BLV)11 miles away |
| Nearest city of 250,000+ | St. Louis, MO32 miles away |
| Nearest city of 1 million+ | Chicago, IL245 miles away |
Straight-line distances from the center of Trenton; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Trenton had 2,690 residents in the 2020 census, up 3% since 2000.
It’s the 450th largest of 1,450 towns in Illinois by population.
Clinton County grew from 19,824 residents in 1900 to 36,899 in 2020.
Clinton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 24°F. About 43.4 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Belleville Siu Rsch, IL weather station (13 miles away).
9,075 jobs at 913 businesses in Clinton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Trenton.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 2 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 4 |
| Physical and occupational therapists | 5 |
| Chiropractors | 1 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores
Pharmacies
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1855.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Wesclin CUSD 3. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Trenton Elem SchoolTrenton | Pre-K–3 | 207 | Public | 2.2 mi |
| Wesclin Middle SchoolTrenton | 4–8 | 492 | Public | 4.1 mi |
| Wesclin Sr High SchoolTrenton | 9–12 | 343 | Public | 4.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Trenton? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Summerfield.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.