• county
  • FIPS 26155
  • Largest town: Owosso

Shiawassee County, Michigan

Shiawassee County had 67,982 residents in the Census Vintage 2024 estimate, on 531.0 square miles of land. It ranks 28th of 83 in Michigan by population and 65th by land area.

Population
67,982
#28 of 83 in Michigan · #804 in US
Area
531.0 sq mi
#65 of 83 in Michigan · #1,974 in US
Density
128 / sq mi
#26 of 83 in Michigan · #763 in US
Median household income
$63,988
#32 of 83 in Michigan · #1,459 in US

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

Shiawassee County within Michigan. Pin: Lansing.

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Shiawassee County population, land area and income

Shiawassee County had 67,982 residents in the Census Vintage 2024 estimate, on 531.0 square miles of land. It ranks 28th of 83 in Michigan by population and 65th by land area. That works out to 128.0 people per square mile, 1.3 times the US average of 96.3, and in the top quarter nationally.

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

Its SAIPE 2023 median household income of $63,988 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

67,982

3144th1st

804th of 3,144 (US)

Land area

531 sq mi

3144th1st

1974th of 3,144 (US)

Density

128.0 / sq mi

3144th1st

763rd of 3,144 (US)

Median household income

$63,988

3143rd1st

1459th of 3,143 (US)

Rank within Michigan (83)

Population

67,982

83rd1st

28th of 83 (MI)

Land area

531 sq mi

83rd1st

65th of 83 (MI)

Density

128.0 / sq mi

83rd1st

26th of 83 (MI)

Median household income

$63,988

83rd1st

32nd of 83 (MI)

How Shiawassee County's population changed since 2020

Shiawassee County lost 22 residents between the July 2020 and July 2024 estimates, a drop of 0.0%. That ranks 62nd 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, Shiawassee County recorded 2,870 births and 3,691 deaths, a natural change of -821. Net international migration added +113 and net domestic migration, people moving to or from other US counties, came to +604. The largest single component was natural change, which removed 821 people.

68.0k202068.0k202168.0k202268.0k202368.0k2024
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
2,870
Deaths
3,691
Net international migration
+113
Net domestic migration
+604
Change, July 2023 to July 2024
-23

Where Shiawassee County is

The Census internal point of Shiawassee County is at 42.951500, -84.146400. 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 Shiawassee 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: Shiawassee County internal point. Dark pin: Lansing.

Internal point

Decimal
42.951500, -84.146400
DMS
42°57'5.40"N 84°08'47.04"W
UTM
16N 732782.1E 4759380.5N
Geohash
dpshm5n6w
Plus code
86JQXV23+JC

Towns in Shiawassee County

5 incorporated places of 1,000+ people have residents in Shiawassee County, 24,581 people together, or 36% of the county. Each figure counts only the part of the town inside Shiawassee County; towns marked "part" extend into another county. The largest is Owosso with 14,544.

  1. 01Owosso14,544
  2. 02Durand3,483
  3. 03Corunna3,014
  4. 04Perry2,129
  5. 05Laingsburg1,411
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Shiawassee County

The Census 2024 county adjacency file lists 6 neighbors for Shiawassee County. The most populous is Genesee County, MI, with 402,279 residents. Distances run between Census internal points in a straight line.

Distance to Lansing and the nearest big city

Lansing is 25.6 miles SW of Shiawassee County's internal point in a straight line. The nearest place of 100,000 or more is Lansing, MI (population 114,336), 26.7 miles away. The nearest place of 10,000 or more is Owosso, MI (population 14,544), 3.4 miles away.

Shiawassee County FIPS code

The FIPS code of Shiawassee County is 26155: state code 26 for Michigan plus county code 155. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,988.

Questions people ask

What is the population of Shiawassee County, Michigan?

The Census Vintage 2024 estimate for July 1, 2024 is 67,982. That is down 22 people (0.0%) from the July 2020 estimate of 68,004.

What is the FIPS code of Shiawassee County?

26155. The first two digits (26) are Michigan; the last three (155) identify the county.

What is the largest town in Shiawassee County?

Owosso, with 14,544 residents inside Shiawassee County in 2024.

Which counties border Shiawassee County?

6 county-equivalents border it in the Census 2024 adjacency file: Genesee County, MI; Ingham County, MI; Livingston County, MI; Saginaw County, MI; Clinton County, MI; Gratiot County, MI.

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.