is a county
in the U.S. state
, the sole county of the Owosso Micropolitan Statistical Area
, and part of the greater Lansing Combined Statistical Area
. As of the 2000 census
, the population was 71,687, with a population of 71,753 according to the 2007 Census Bureau estimate. The county seat
. The center of population
of Michigan is located in Shiawassee County, in the village of Morrice
is named for the Shiawassee River, and means 'river that twists about'.
According to the U.S. Census Bureau
, the county has a total area of 541 square miles
), of which, 539 square miles (1,395 km²) of it is land and 2 square miles (5 km²) of it (0.37%) is water. The Shiawassee River
enters it from Genesee County in the southeast and flows through Corunna and Owosso in the center of the county, exiting to Saginaw County in the north.
As of the census
of 2000, there were 71,687 people, 26,896 households, and 19,849 families residing in the county. The population density
was 133 people per square mile (51/km²). There were 29,087 housing units at an average density of 54 per square mile (21/km²). The racial makeup of the county was 97.39% White
, 0.19% Black
or African American
, 0.47% Native American
, 0.28% Asian
, 0.01% Pacific Islander
, 0.49% from other races
, and 1.17% from two or more races. 1.81% of the population were Hispanic
of any race. 25.3% were of German
, 14.2% English
, 13.9% American
and 9.9% Irish
ancestry according to Census 2000
. 97.4% spoke English
and 1.1% Spanish
as their first language.
There were 26,896 households out of which 35.30% had children under the age of 18 living with them, 59.10% were married couples living together, 10.30% had a female householder with no husband present, and 26.20% were non-families. 21.70% of all households were made up of individuals and 9.10% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.06.
In the county the population was spread out with 26.80% under the age of 18, 8.30% from 18 to 24, 29.20% from 25 to 44, 23.60% from 45 to 64, and 12.00% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 96.50 males. For every 100 females age 18 and over, there were 93.50 males.
The median income for a household in the county was $42,553, and the median income for a family was $49,329. Males had a median income of $39,190 versus $25,063 for females. The per capita income for the county was $19,229. About 5.70% of families and 7.80% of the population were below the poverty line, including 9.30% of those under age 18 and 7.70% of those age 65 or over.
The county government operates the jail
, maintains rural roads, operates the
major local courts, keeps files of deeds and mortgages, maintains vital records
regulations, and participates with the state in the provision of welfare and
other social services. The county board of commissioners
budget but has only limited authority to make laws or ordinances. In Michigan, most local
government functions — police and fire, building and zoning, tax assessment, street
maintenance, etc. — are the responsibility of individual cities and townships.
Shiawassee County elected officials
(information as of September 2005)
Cities, villages, and townships
Bibliography and further reading