Ionia County, Michigan | |
|---|---|
 Ionia County Courthouse in Ionia | |
 Seal | |
 Location within the U.S. state ofMichigan | |
 Michigan's location within theU.S. | |
| Coordinates:42°56′N85°04′W / 42.94°N 85.07°W /42.94; -85.07 | |
| Country |  United States |
| State |  Michigan |
| Founded | March 2, 1831 (created) 1837 (organized)[1] |
| Named after | 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 | |
• Estimate (2024) | 66,250 |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 2nd |
| Website | ioniacounty |
Ionia County (/aɪˈoʊnjə/eye-OH-nyə) is acounty located in theU.S. state ofMichigan. As of the2020 census, the population was 66,804.[2] Thecounty seat isIonia.[3] The Ionia County Courthouse was designed byClaire Allen, a prominent southern Michigan architect.
Ionia County is part of theGrand Rapids-Kentwood metropolitan statistical area.
The county is named forIonia, a historic area of Greece.[4]
According to theUS 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.[5]
I-96 is an east–west freeway running through the heart of Ionia County. The freeway can be used to accessGrand Rapids, to the west, andLansing andDetroit, to the east.
M-21 is an east–west highway that runs north of I-96. The highway runs through the city ofIonia.
M-44 is an east–west highway that runs in the northwest of Ionia County, including access toBelding.
M-50 is a highway in the southwest of Ionia County, following a largely east–west route. The highway runs throughLake Odessa.
M-66 is the primary north–south thoroughfare in Ionia County. Running through the center of the county, the highway also passes through downtown Ionia. M-66 is one of Michigan's longest state trunkline highways, running from theIndiana border nearSturgis toCharlevoix, onLake Michigan.
M-91 is a highway in the northwest of Ionia County, beginning at M-44 near Belding and running north towardGreenville.
US 16 is a formerUS Route that travelled east–west in Ionia County, along what is today known as Grand River Avenue. The highway was replaced by I-96 in 1962.| Census | Pop. | Note | %± |
|---|---|---|---|
| 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% | |
| 2024 (est.) | 66,250 | [6] | −0.8% |
| US Decennial Census[7] 1790–1960[8] 1900–1990[9] 1990–2000[10] 2010–2018[2] | |||
As of the2000 census,[11] there were 61,518 people, 20,606 households, and 15,145 families residing in the county. The population density was 107 inhabitants per square mile (41/km2). There were 22,006 housing units at an average density of 38 per square mile (15/km2). Theracial 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 ofGerman, 14.7%American, 11.6%English, 8.9%Irish and 5.3%Dutch ancestry. 96.3% spokeEnglish 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% weremarried 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. Theper capita income for the county was $17,451. About 6.80% of families and 8.70% of the population were below thepoverty line, including 10.40% of those under age 18 and 8.10% of those age 65 or over.
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Ionia County has been reliablyRepublican from the beginning. Since 1884, the Republican Party nominee has carried the county vote in 82% of the elections (29 of 35 elections).
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1884 | 3,552 | 45.10% | 3,814 | 48.43% | 510 | 6.48% |
| 1888 | 4,436 | 50.95% | 3,779 | 43.41% | 491 | 5.64% |
| 1892 | 4,288 | 49.45% | 3,779 | 43.58% | 604 | 6.97% |
| 1896 | 4,593 | 48.35% | 4,757 | 50.08% | 149 | 1.57% |
| 1900 | 5,101 | 54.31% | 4,055 | 43.18% | 236 | 2.51% |
| 1904 | 5,440 | 63.81% | 2,729 | 32.01% | 356 | 4.18% |
| 1908 | 4,584 | 54.77% | 3,232 | 38.61% | 554 | 6.62% |
| 1912 | 2,049 | 26.50% | 2,757 | 35.66% | 2,926 | 37.84% |
| 1916 | 3,950 | 48.36% | 3,911 | 47.88% | 307 | 3.76% |
| 1920 | 7,977 | 67.59% | 3,395 | 28.77% | 430 | 3.64% |
| 1924 | 9,502 | 73.21% | 2,821 | 21.74% | 656 | 5.05% |
| 1928 | 9,471 | 74.91% | 3,089 | 24.43% | 83 | 0.66% |
| 1932 | 6,074 | 40.23% | 8,695 | 57.58% | 331 | 2.19% |
| 1936 | 6,487 | 43.88% | 7,140 | 48.30% | 1,155 | 7.81% |
| 1940 | 9,439 | 63.28% | 5,399 | 36.20% | 78 | 0.52% |
| 1944 | 9,331 | 67.06% | 4,437 | 31.89% | 146 | 1.05% |
| 1948 | 7,970 | 62.60% | 4,450 | 34.95% | 311 | 2.44% |
| 1952 | 10,970 | 69.35% | 4,722 | 29.85% | 127 | 0.80% |
| 1956 | 11,001 | 68.76% | 4,952 | 30.95% | 46 | 0.29% |
| 1960 | 10,405 | 61.81% | 6,377 | 37.88% | 52 | 0.31% |
| 1964 | 5,698 | 35.36% | 10,362 | 64.31% | 53 | 0.33% |
| 1968 | 8,625 | 54.01% | 6,055 | 37.92% | 1,288 | 8.07% |
| 1972 | 10,898 | 62.57% | 6,240 | 35.83% | 278 | 1.60% |
| 1976 | 11,737 | 62.46% | 6,820 | 36.29% | 234 | 1.25% |
| 1980 | 12,040 | 57.38% | 7,039 | 33.55% | 1,903 | 9.07% |
| 1984 | 14,162 | 70.69% | 5,735 | 28.62% | 138 | 0.69% |
| 1988 | 12,028 | 59.05% | 8,160 | 40.06% | 181 | 0.89% |
| 1992 | 9,135 | 38.35% | 8,370 | 35.14% | 6,317 | 26.52% |
| 1996 | 9,574 | 44.63% | 9,261 | 43.17% | 2,617 | 12.20% |
| 2000 | 13,915 | 58.05% | 9,481 | 39.55% | 574 | 2.39% |
| 2004 | 16,621 | 60.18% | 10,647 | 38.55% | 350 | 1.27% |
| 2008 | 14,156 | 51.74% | 12,565 | 45.93% | 638 | 2.33% |
| 2012 | 14,315 | 55.36% | 11,018 | 42.61% | 523 | 2.02% |
| 2016 | 16,635 | 61.52% | 8,352 | 30.89% | 2,052 | 7.59% |
| 2020 | 20,657 | 64.13% | 10,901 | 33.84% | 651 | 2.02% |
| 2024 | 22,179 | 65.19% | 11,338 | 33.33% | 504 | 1.48% |
The county government operates thejail, maintains rural roads, operates the major local courts, records deeds, mortgages, andvital records, administerspublic health regulations, and participates with the state in the provision of social services. Thecounty board of commissioners controls the budget and has 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.
(information as of February 2023[update])
K-12 school districts include:[21]
Elementary school districts include:[21]
Places adjacent to Ionia County, Michigan | ||||||||||||||||
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Municipalities and communities ofIonia County, Michigan,United States | ||
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| Cities |  | |
| Villages | ||
| Townships | ||
| Census-designated places | ||
| Unincorporated communities | ||
| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
| Central cities | |||
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