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Carroll County, Indiana
Map of Indiana highlighting Carroll County
Location in the state of Indiana
Map of the U.S. highlighting Indiana
Indiana's location in the U.S.
Founded 1828
Seat Delphi
 - Total
 - Land
 - Water

375 sq mi (971 km²)
372 sq mi (963 km²)
3 sq mi (8 km²), 0.75%
 - (2000)
 - Density

54/sq mi (21/km²)

Carroll County is a county located in the U.S. state of Indiana. As of 2000, the population was 20,166. The county seat is Delphi6.

The Carroll County Courthouse in Delphi


Carroll County was formed in 1828 and named for Charles Carroll, the last surviving signer of the Declaration of Independence, who died in 1832. The county seat of Delphi was established the same year by General Samuel Milroy. The Wabash and Erie Canal, built through the county in 1840 and operating until the early 1870s, is among the county's most significant historical legacies.


According to the U.S. Census Bureau, the county has a total area of 971 km² (375 sq mi). 964 km² (372 sq mi) of it is land and 7 km² (3 sq mi) of it (0.75%) is water.

Major highways[]


Adjacent counties[]


Carroll County
Population by year

2000 20,165
1990 18,809
1980 19,722
1970 17,734
1960 16,934
1950 16,010
1940 15,410
1930 15,049
1920 16,315
1910 17,970
1900 19,953
1890 20,021
1880 18,345
1870 16,152
1860 13,489
1850 11,015
1840 7,819
1830 1,611

As of the census2 of 2000, there were 20,165 people, 7,718 households, and 5,688 families residing in the county. The population density was 21/km² (54/sq mi). There were 8,675 housing units at an average density of 9/km² (23/sq mi). The racial makeup of the county was 97.65% White, 0.20% Black or African American, 0.16% Native American, 0.06% Asian, 1.39% from other races, and 0.54% from two or more races. 2.93% of the population were Hispanic or Latino of any race. 28.8% were of American, 25.1% German, 9.8% Irish and 8.8% English ancestry according to Census 2000.

There were 7,718 households out of which 33.20% had children under the age of 18 living with them, 63.50% were married couples living together, 6.50% had a female householder with no husband present, and 26.30% were non-families. 22.80% of all households were made up of individuals and 10.50% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.04.

In the county the population was spread out with 26.30% under the age of 18, 7.40% from 18 to 24, 28.70% from 25 to 44, 23.60% from 45 to 64, and 13.90% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 99.60 males. For every 100 females age 18 and over, there were 96.80 males.

The median income for a household in the county was $42,677, and the median income for a family was $50,216. Males had a median income of $35,348 versus $21,385 for females. The per capita income for the county was $19,436. About 4.30% of families and 6.80% of the population were below the poverty line, including 9.00% of those under age 18 and 6.30% of those age 65 or over.

Cities and towns[]





Rainbow-fringed clouds above a farm and soybean fields in rural Jackson Township.


Public schools in Carroll County are administered by the Carroll Consolidated School District and the Delphi Community School Corporation

High Schools and Middle Schools

Elementary Schools

External links[]


  • Forstall, Richard L. (editor) (1996). Population of states and counties of the United States: 1790 to 1990 : from the twenty-one decennial censuses. United States Department of Commerce, Bureau of the Census, Population Division. ISBN 0-934213-48-8. 

Coordinates: 40°35′N 86°34′W / 40.58, -86.56

This page uses content from the English language Wikipedia. The original content was at Carroll County, Indiana. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.