• county
  • FIPS 26149
  • Largest town: Sturgis

St. Joseph County, Michigan

St. Joseph County had 61,171 residents in the Census Vintage 2024 estimate, on 500.6 square miles of land. It ranks 33rd of 83 in Michigan by population and 72nd by land area.

Population
61,171
#33 of 83 in Michigan · #883 in US
Area
500.6 sq mi
#72 of 83 in Michigan · #2,080 in US
Density
122 / sq mi
#28 of 83 in Michigan · #788 in US
Median household income
$65,540
#28 of 83 in Michigan · #1,338 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

St. Joseph County within Michigan. Pin: Lansing.

St. Joseph County population, land area and income

St. Joseph County had 61,171 residents in the Census Vintage 2024 estimate, on 500.6 square miles of land. It ranks 33rd of 83 in Michigan by population and 72nd by land area. That works out to 122.2 people per square mile, 1.3 times the US average of 96.3, and above the national county median.

The median county-equivalent in Michigan has 38,041 residents; St. Joseph County is somewhat larger.

Its SAIPE 2023 median household income of $65,540 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

61,171

3144th1st

883rd of 3,144 (US)

Land area

501 sq mi

3144th1st

2080th of 3,144 (US)

Density

122.2 / sq mi

3144th1st

788th of 3,144 (US)

Median household income

$65,540

3143rd1st

1338th of 3,143 (US)

Rank within Michigan (83)

Population

61,171

83rd1st

33rd of 83 (MI)

Land area

501 sq mi

83rd1st

72nd of 83 (MI)

Density

122.2 / sq mi

83rd1st

28th of 83 (MI)

Median household income

$65,540

83rd1st

28th of 83 (MI)

How St. Joseph County's population changed since 2020

St. Joseph County gained 229 residents between the July 2020 and July 2024 estimates, a rise of 0.4%. That ranks 52nd of 83 in Michigan for growth. The median Michigan county changed by +0.9%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, St. Joseph County recorded 3,043 births and 3,183 deaths, a natural change of -140. Net international migration added +355 and net domestic migration, people moving to or from other US counties, came to +6. The largest single component was international migration, which added 355 people.

60.9k202060.9k202160.8k202261.1k202361.2k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
3,043
Deaths
3,183
Net international migration
+355
Net domestic migration
+6
Change, July 2023 to July 2024
+109

Where St. Joseph County is

The Census internal point of St. Joseph County is at 41.911500, -85.522900. It sits in UTM zone 16N. The map shades Michigan's 83 county-equivalents by population change from 2020 to 2024, darker for faster growth, with St. Joseph County outlined. Dots are towns of 1,000+ people with residents in it.

Calhoun County: -0.3%Benzie County: +2.9%Newaygo County: +2.8%Antrim County: +4.6%Montcalm County: +4.0%Kalamazoo County: +1.1%Isabella County: +0.9%Ingham County: +1.9%Jackson County: +0.0%Kent County: +2.2%Oceana County: +1.1%Roscommon County: +2.0%Clare County: +1.8%Gladwin County: +2.5%Branch County: +2.9%Iosco County: +0.7%Bay County: -1.1%Shiawassee County: -0.0%Ionia County: -1.0%Otsego County: +3.8%Alcona County: +4.3%Missaukee County: +1.1%Crawford County: +4.7%Lapeer County: +0.7%Arenac County: +0.5%Gogebic County: -0.9%Marquette County: +2.2%Alpena County: +0.1%Lenawee County: -1.6%Berrien County: -1.1%Leelanau County: +2.5%Clinton County: +1.1%Alger County: -1.6%Gratiot County: -0.8%St. Joseph County: +0.4%Van Buren County: +0.7%Dickinson County: +0.3%Charlevoix County: +0.3%Sanilac County: -0.5%Wexford County: +2.3%Houghton County: +2.1%Saginaw County: -1.1%Kalkaska County: +3.8%Ottawa County: +3.1%Presque Isle County: +1.8%Eaton County: +0.3%Barry County: +2.3%Lake County: +7.5%Cheboygan County: +1.5%Wayne County: -1.0%Macomb County: +0.7%Oscoda County: +4.4%Emmet County: -0.5%Ontonagon County: +0.4%Schoolcraft County: +1.5%Monroe County: +0.7%Tuscola County: -1.0%Luce County: -1.3%Menominee County: -1.7%Mason County: +0.2%Muskegon County: +1.5%Baraga County: +0.3%Genesee County: -0.9%Grand Traverse County: +1.3%Washtenaw County: +0.5%Huron County: -1.9%Cass County: -0.0%Delta County: -0.5%Montmorency County: +7.2%Oakland County: +1.9%Chippewa County: -1.5%Keweenaw County: +5.0%Hillsdale County: -0.3%Manistee County: +1.8%Allegan County: +1.5%Mecosta County: +3.8%Iron County: +0.8%Osceola County: +2.5%St. Clair County: -0.1%Livingston County: +1.5%Ogemaw County: +1.0%Midland County: +0.6%Mackinac County: +3.1%
Change 2020 to 2024
  1. < -0.5%
  2. < +0.5%
  3. < +1.5%
  4. < +2.5%
  5. ≥ +2.5%
no data

Orange pin: St. Joseph County internal point. Dark pin: Lansing.

Internal point

Decimal
41.911500, -85.522900
DMS
41°54'41.40"N 85°31'22.44"W
UTM
16N 622500.8E 4641005.1N
Geohash
dp7nmvu05
Plus code
86HPWF6G+JR

Towns in St. Joseph County

6 incorporated places of 1,000+ people have residents in St. Joseph County, 25,237 people together, or 41% of the county. Each figure counts only the part of the town inside St. Joseph County; towns marked "part" extend into another county. The largest is Sturgis with 11,030.

  1. 01Sturgis11,030
  2. 02Three Rivers7,958
  3. 03Constantine2,000
  4. 04White Pigeon1,731
  5. 05Centreville1,322
  6. 06Colon1,196
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering St. Joseph County

The Census 2024 county adjacency file lists 7 neighbors for St. Joseph County, including 2 across a state line. The most populous is Kalamazoo County, MI, with 264,780 residents. Distances run between Census internal points in a straight line.

Distance to Lansing and the nearest big city

Lansing is 75.3 miles NE of St. Joseph County's internal point in a straight line. The nearest place of 100,000 or more is South Bend, IN (population 103,713), 41.7 miles away. The nearest place of 10,000 or more is Sturgis, MI (population 11,030), 9.5 miles away.

St. Joseph County FIPS code

The FIPS code of St. Joseph County is 26149: state code 26 for Michigan plus county code 149. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,540.

Questions people ask

What is the population of St. Joseph County, Michigan?

The Census Vintage 2024 estimate for July 1, 2024 is 61,171. That is up 229 people (0.4%) from the July 2020 estimate of 60,942.

What is the FIPS code of St. Joseph County?

26149. The first two digits (26) are Michigan; the last three (149) identify the county.

What is the largest town in St. Joseph County?

Sturgis, with 11,030 residents inside St. Joseph County in 2024.

Which counties border St. Joseph County?

7 county-equivalents border it in the Census 2024 adjacency file: Kalamazoo County, MI; Elkhart County, IN; Calhoun County, MI; Van Buren County, MI; Cass County, MI; Branch County, MI; LaGrange County, IN.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.