Adams County, Illinois
Map of Illinois highlighting Adams County
Location in the state of Illinois
Map of USA IL
Illinois's location in the U.S.
Founded 1825
Seat Quincy
Largest city Quincy
 - Total
 - Land
 - Water

871 sq mi (2,257 km²)
857 sq mi (2,219 km²)
15 sq mi (38 km²), 1.68%
 - (2000)
 - Density

80/sq mi (31/km²)
Time zone Central: UTC-6/-5

Adams County is a county located in the U.S. state of Illinois. As of the 2000 census, the population was 68,277.

The County was formed in 1825 out of Pike County. Its name is in honor of the sixth President of the United States, John Quincy Adams. Its county seat is Quincy6.


According to the U.S. Census Bureau, the county has a total area of 2,257 km² (871 sq mi). 2,219 km² (857 sq mi) of it is land and 38 km² (15 sq mi) of it (1.68%) is water.

Adjacent Counties Edit


USA Adams County, Illinois age pyramid

2000 Census Age Pyramid for Adams County.

Historical populations
Census Pop.
1900 67,058
1910 64,588 −3.7%
1920 62,188 −3.7%
1930 62,784 1.0%
1940 65,229 3.9%
1950 64,690 −0.8%
1960 68,467 5.8%
1970 70,861 3.5%
1980 71,622 1.1%
1990 66,090 −7.7%
2000 68,277 3.3%
IL Counties 1900-1990

As of the census² of 2000, there were 68,277 people, 26,860 households, and 17,996 families residing in the county. The population density was 31/km² (80/sq mi). There were 29,386 housing units at an average density of 13/km² (34/sq mi). The racial makeup of the county was 95.10% White, 3.07% Black or African American, 0.16% Native American, 0.40% Asian, 0.01% Pacific Islander, 0.31% from other races, and 0.95% from two or more races. 0.83% of the population were Hispanic or Latino of any race.

There were 26,860 households out of which 31.10% had children under the age of 18 living with them, 54.20% were married couples living together, 9.80% had a female householder with no husband present, and 33.00% were non-families. 28.50% of all households were made up of individuals and 13.20% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.00.

In the county the population was spread out with 24.90% under the age of 18, 8.80% from 18 to 24, 26.40% from 25 to 44, 22.40% from 45 to 64, and 17.60% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 92.70 males. For every 100 females age 18 and over, there were 89.70 males.

The median income for a household in the county was $34,784, and the median income for a family was $44,133. Males had a median income of $31,171 versus $21,083 for females. The per capita income for the county was $17,894. About 7.40% of families and 10.00% of the population were below the poverty line, including 12.00% of those under age 18 and 8.90% of those age 65 or over.

Cities and towns Edit

Map of Adams County Illinois

Adams County, Illinois.


Attractions Edit


Unified school districtsEdit

Colleges and universitiesEdit

External linksEdit

Coordinates: 39°59′N 91°11′W / 39.99, -91.19

This page uses content from the English language Wikipedia. The original content was at Adams County, Illinois. 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.
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