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Ingham County, Michigan facts for kids

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Ingham County
Ingham County Courthouse
Ingham County Courthouse
Official seal of Ingham County
Official logo of Ingham County
Map of Michigan highlighting Ingham County
Location within the U.S. state of Michigan
Map of the United States highlighting Michigan
Michigan's location within the U.S.
Country  United States
State  Michigan
Founded October 29, 1829 (created)
1838 (organized)
Named for Samuel D. Ingham
Seat Mason
Largest city Lansing
 • Total 561 sq mi (1,450 km2)
 • Land 556 sq mi (1,440 km2)
 • Water 4.6 sq mi (12 km2)  0.8%%
 • Total 284,900
 • Density 505/sq mi (195/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 8th

Ingham County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 284,900. The county seat is Mason. Lansing, the state capital of Michigan, is largely located within the county. (Lansing is the only state capital in the United States located in a county of which it is not also the seat of government.) The county is home to Michigan State University, Lansing Community College, and the Class A minor league baseball team Lansing Lugnuts.

Ingham County is included in the Lansing-East Lansing, MI Metropolitan Statistical Area. It is considered to be a part of Mid Michigan.


Ingham County was established by an act of the Michigan Territorial Legislature on October 29, 1829, from portions of Shiawassee County, Washtenaw County and unorganized territory. It was attached for administrative purposes to Washtenaw County until 1838 when county government was established for Ingham.

The county was named for Samuel D. Ingham, the U.S. Secretary of the Treasury under President Andrew Jackson, making Ingham one of Michigan's so-called Cabinet counties.


According to the U.S. Census Bureau, the county has a total area of 561 square miles (1,450 km2), of which 556 square miles (1,440 km2) is land and 4.6 square miles (12 km2) (0.8%) is water.

The county consists of gently rolling hills with an elevation ranging between 800 and 1,000 feet above sea level. The highest point in the county is the top of Teaspoon Hill rising to a height of 1,056 feet above sea level 1.5 miles north of the city Leslie.

The Grand River winds northward along the western boundary of the county and the Red Cedar River flows west across the northern section into the Grand River in Lansing. Most of the midsection of the county drains to the north into the Red Cedar River and the northern tier of townships drain to the south into the Cedar. The Sycamore Creek, flowing northwest into the Red Cedar in Lansing, drains much of the midsection of the county. Most of the southern portion of the county drains south or west into the Grand River. The southeastern corner drains to the southeast into the Huron River via the Portage Creek and Portage River and a series of small lakes.

Adjacent counties


Historical population
Census Pop.
1840 2,498
1850 8,631 245.5%
1860 17,435 102.0%
1870 25,268 44.9%
1880 33,676 33.3%
1890 37,666 11.8%
1900 39,818 5.7%
1910 53,310 33.9%
1920 81,554 53.0%
1930 116,587 43.0%
1940 130,616 12.0%
1950 172,941 32.4%
1960 211,296 22.2%
1970 261,039 23.5%
1980 275,520 5.5%
1990 281,912 2.3%
2000 279,320 −0.9%
2010 280,895 0.6%
2020 284,900 1.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2019

As of the census of 2010, there were 280,895 people, 111,162 households, and 62,674 families residing in the county. The population density was 502.3 people per square mile (193.9/km2). There were 121,281 housing units at an average density of 216.8 per square mile (83.7/km2). The racial makeup of the county was 76.2% White, 11.8% Black or African American, 0.6% Native American, 5.2% Asian, 0.04% Pacific Islander, 2.3% from other races, and 4.0% from two or more races. 7.83% of the population were Hispanic or Latino of any race.

According to the 2007-2010 American Community Survey 22.8% were of German, 13.2% Irish, 12.5% English and 5.6% Polish ancestry. 88.2% spoke only English, while 3.9% spoke Asian languages and 3.8% Spanish at home.

As of the 2000 Census, there were 108,593 households, out of which 29.80% had children under the age of 18 living with them, 43.00% were married couples living together, 12.10% had a female householder with no husband present, and 41.30% were non-families. 30.20% of all households were made up of individuals, and 7.70% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 3.04.

In the county, 23.40% of the population was under the age of 18, 18.50% was from 18 to 24, 28.60% from 25 to 44, 20.10% from 45 to 64, and 9.40% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 93.30 males. For every 100 females age 18 and over, there were 90.10 males.

The median income for a household in the county was $40,774, and the median income for a family was $53,063. Males had a median income of $40,335 versus $30,178 for females. The per capita income for the county was $21,079. About 8.30% of families and 14.60% of the population were below the poverty line, including 14.60% of those under age 18 and 6.60% of those age 65 or over.


Air service

Rail service

Bus service

  • Capital Area Transportation Authority (CATA)
  • Greyhound Lines
  • Indian Trails


  • I-96
  • BL I-96
  • I-496
  • BL I-69
  • US 127
  • Capitol Loop
  • M-36
  • M-43
  • M-52
  • M-99
  • M-106
  • M-143
  • M-188


  • Lansing River Trail




Census-designated places

Other unincorporated communities


Images for kids

See also

Kids robot.svg In Spanish: Condado de Ingham para niños

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