Olmsted

Source:

Minnesota

Olmsted is a county in Minnesota with 10 ZIP codes and a total population of 140,104. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Olmsted is a county inside Minnesota (FIPS code 27109) that contains 10 USPS ZIP codes covering a combined population of 140,104 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 10 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Olmsted is 55901 covering Rochester with 51,917 residents at 671 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Olmsted uses FIPS code 27109, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

10

Total ZIPs

140,104

Total Population

ZIP Codes in Olmsted

Side-by-side: Compare 55901 vs 55904 →

ZIP Code City Population Density
55901 Rochester 51,917 671
55904 Rochester 26,332 164
55902 Rochester 21,968 210
55906 Rochester 17,598 107
55976 Stewartville 7,582 33
55920 Byron 7,026 39
55934 Eyota 3,338 16
55960 Oronoco 3,134 34
55929 Dover 1,209 10
55905 Rochester 0

What are common questions about ZIP codes in this county?

What is the population of Olmsted?
Olmsted has a total population of 140,104 across 10 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Olmsted?
Olmsted includes 10 ZIP codes: 55901, 55904, 55902, 55906, 55976, 55920, 55934, 55960, 55929, 55905.
What is the median household income in Olmsted?
Median household income data for individual ZIP codes in Olmsted is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.