ZIP Code 61370

ZIP code 61370 is classified by USPS as a standard delivery area and covers roughly 136.4 square miles in Tonica, LaSalle County, Illinois. The area is home to 1,460 residents, producing a population density of 11 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 61370 against Illinois and the nation.

On the economic side, the median household income for ZIP 61370 sits at $91,094 (14% above the Illinois average), while per-capita income is $38,350. The poverty rate stands at 12.4% and the unemployment rate at 2.9%. On housing, the median home value is $155,100 (19% below the state average) with median rent at $900 per month, and 87.9% of occupied units are owner-occupied, a direct signal of whether 61370 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 17.6% of adults hold a bachelor's degree or higher, the median age is 41.2, and the average commute is 29 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing LaSalle County, so you can benchmark 61370 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →