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Ionia County, Michigan facts for kids

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Ionia County
Ionia County Courthouse in Ionia
Ionia County Courthouse in Ionia
Official seal of Ionia County
Seal
Map of Michigan highlighting Ionia 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 March 2, 1831 (created)
1837 (organized)
Named for Ionia
Seat Ionia
Largest city Ionia
Area
 • Total 580 sq mi (1,500 km2)
 • Land 571 sq mi (1,480 km2)
 • Water 8.7 sq mi (23 km2)  1.5%%
Population
 (2020)
 • Total 66,804
 • Density 112/sq mi (43/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 3rd

Ionia County is a county located in the U.S. state of Michigan. As of the 2020 Census, the population was 66,804. The county seat is Ionia. The Ionia County Courthouse was designed by Claire Allen, a prominent southern Michigan architect.

Ionia County is part of the Grand Rapids-Kentwood, MI Metropolitan Statistical Area.

History

The county is named for Ionia, a Grecian province. It was set off in 1831 and organized in 1837.

Geography

According to the U.S. Census Bureau, the county has a total area of 580 square miles (1,500 km2), of which 571 square miles (1,480 km2) is land and 8.7 square miles (23 km2) (1.5%) is water.

Adjacent counties

Major highways

  • I-96
  • M-21
  • M-44
  • M-50
  • M-66
  • M-91

Demographics

Historical population
Census Pop.
1840 1,923
1850 7,597 295.1%
1860 16,682 119.6%
1870 27,681 65.9%
1880 33,872 22.4%
1890 32,801 −3.2%
1900 34,329 4.7%
1910 33,550 −2.3%
1920 33,087 −1.4%
1930 35,093 6.1%
1940 35,710 1.8%
1950 38,158 6.9%
1960 43,132 13.0%
1970 45,848 6.3%
1980 51,815 13.0%
1990 57,024 10.1%
2000 61,518 7.9%
2010 63,905 3.9%
2020 66,804 4.5%
US Decennial Census
1790-1960 1900-1990
1990-2000 2010-2018

As of the 2000 census, there were 61,518 people, 20,606 households, and 15,145 families residing in the county. The population density was 107 people per square mile (41/km2). There were 22,006 housing units at an average density of 38 per square mile (15/km2). The racial makeup of the county was 91.96% White, 4.56% Black or African American, 0.56% Native American, 0.32% Asian, 0.01% Pacific Islander, 1.04% from other races, and 1.55% from two or more races. 2.78% of the population were Hispanic or Latino of any race. 29.0% were of German, 14.7% American, 11.6% English, 8.9% Irish and 5.3% Dutch ancestry, 96.3% spoke English and 2.6% Spanish as their first language.

There were 20,606 households, out of which 38.10% had children under the age of 18 living with them, 58.70% were married couples living together, 10.10% had a female householder with no husband present, and 26.50% were non-families. 21.90% of all households were made up of individuals, and 8.90% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.15.

The county's population spread included 26.90% under the age of 18, 11.50% from 18 to 24, 31.00% from 25 to 44, 20.50% from 45 to 64, and 10.00% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 115.20 males. For every 100 females age 18 and over, there were 120.40 males.

The median income for a household in the county was $43,074, and the median income for a family was $49,797. Males had a median income of $36,995 versus $25,443 for females. The per capita income for the county was $17,451. About 6.80% of families and 8.70% of the population were below the poverty line, including 10.40% of those under age 18 and 8.10% of those age 65 or over.

Communities

Cities

Villages

Townships

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