ZIP Code 37151

ZIP code 37151 is classified by USPS as a standard delivery area and covers roughly 46.7 square miles in Riddleton, Smith County, Tennessee. The area is home to 565 residents, producing a population density of 12 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 37151 against Tennessee and the nation.

On the economic side, the median household income for ZIP 37151 sits at $102,168 (54% above the Tennessee average), while per-capita income is $50,584. The poverty rate stands at 0.0% and the unemployment rate at 0.0%. On housing, the median home value is $327,500 (32% above the state average) with median rent at — per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 37151 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 31.6% of adults hold a bachelor's degree or higher, the median age is 47.8, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Smith County, so you can benchmark 37151 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 →