ZIP Code 58257

ZIP code 58257 is classified by USPS as a standard delivery area and covers roughly 315.4 square miles in Mayville, Traill County, North Dakota. The area is home to 2,239 residents, producing a population density of 7 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 58257 against North Dakota and the nation.

On the economic side, the median household income for ZIP 58257 sits at $60,395 (27% below the North Dakota average), while per-capita income is $33,386. The poverty rate stands at 18.5% and the unemployment rate at 4.7%. On housing, the median home value is $196,200 (9% above the state average) with median rent at $870 per month, and 52.9% of occupied units are owner-occupied, a direct signal of whether 58257 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 33.6% of adults hold a bachelor's degree or higher, the median age is 29.6, and the average commute is 15 minutes. Use the benchmarks above to see where 58257 sits relative to North Dakota and the national baseline rather than viewing the numbers in isolation. 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 →