ZIP Code 55309

ZIP code 55309 is classified by USPS as a standard delivery area and covers roughly 169.9 square miles in Big Lake, Sherburne County, Minnesota. The area is home to 18,208 residents, producing a population density of 107 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 55309 against Minnesota and the nation.

On the economic side, the median household income for ZIP 55309 sits at $121,711 (48% above the Minnesota average), while per-capita income is $48,185. The poverty rate stands at 4.5% and the unemployment rate at 2.8%. On housing, the median home value is $361,100 (41% above the state average) with median rent at $1,408 per month, and 90.6% of occupied units are owner-occupied, a direct signal of whether 55309 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 31.8% of adults hold a bachelor's degree or higher, the median age is 36, and the average commute is 33 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 5 additional ZIPs sharing Sherburne County, so you can benchmark 55309 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 →