St. Joseph

Source:

Michigan

St. Joseph is a county in Michigan with 10 ZIP codes and a total population of 61,796. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

St. Joseph is a county inside Michigan (FIPS code 26149) that contains 10 USPS ZIP codes covering a combined population of 61,796 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 St. Joseph is 49091 covering Sturgis with 19,872 residents at 88 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 St. Joseph uses FIPS code 26149, 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

61,796

Total Population

ZIP Codes in St. Joseph

Side-by-side: Compare 49091 vs 49093 →

ZIP Code City Population Density
49091 Sturgis 19,872 88
49093 Three Rivers 18,380 67
49099 White Pigeon 5,629 37
49042 Constantine 4,892 35
49040 Colon 3,388 33
49072 Mendon 3,164 22
49032 Centreville 3,105 33
49030 Burr Oak 2,523 21
49066 Leonidas 722 14
49075 Nottawa 121 873

What are common questions about ZIP codes in this county?

What is the population of St. Joseph?
St. Joseph has a total population of 61,796 across 10 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in St. Joseph?
St. Joseph includes 10 ZIP codes: 49091, 49093, 49099, 49042, 49040, 49072, 49032, 49030, 49066, 49075.
What is the median household income in St. Joseph?
Median household income data for individual ZIP codes in St. Joseph 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.