Jefferson County, Iowa

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The Jefferson County Courthouse in Fairfield, listed on NRHP No. 81000250 [1]
The Jefferson County Courthouse in Fairfield, listed on NRHP No. 81000250
administration
US state : Iowa
Administrative headquarters : Fairfield
Address of the
administrative headquarters: 		County Courthouse
P.O. Box 984
Fairfield, IA 52556-0017
Foundation : January 21, 1839
Made up from: Henry County
Area code : 001 641
Demographics
Residents : 16,843  (2010)
Population density : 14.9 inhabitants / km 2
geography
Total area : 1131 km²
Water surface : 4 km²
map
Map of Jefferson County within Iowa
Website : www.jeffersoncountyiowa.com

The Jefferson County is a county in the US state of Iowa . At the 2010 census , the county had 16,843 residents and a population density of 14.9 people per square kilometer. The county seat is Fairfield .

geography

The county is located in southeast Iowa, about 25 miles south of Missouri , and about 40 miles east of Illinois , the border being formed by the Mississippi . It has an area of ​​1,131 square kilometers, of which four square kilometers are water. The following counties border Jefferson County:

Keokuk County Washington County
Wapello County Compass card (de) .svg Henry County
Davis County Van Buren County

history

Jefferson

Jefferson County was formed on January 21, 1839 on former Indian land. It was named after Thomas Jefferson (1743–1826), the third President of the USA (1801–1809).

21 structures and sites in the county are on the National Register of Historic Places .

Demographic data

growth of population
Census Residents ± in%
1840 2773 -
1850 9904 257.2%
1860 15,038 51.8%
1870 17,839 18.6%
1880 17,469 -2.1%
1890 15.184 -13.1%
1900 17,437 14.8%
1910 15,951 -8.5%
1920 16,440 3.1%
1930 16,241 -1.2%
1940 15,762 -2.9%
1950 15,696 -0.4%
1960 15,818 0.8%
1970 15,774 -0.3%
1980 16,316 3.4%
1990 16,310 -0%
2000 16,181 -0.8%
2010 16,843 4.1%
Before 1900 1900–1990 2000–2010

According to the 2010 census , Jefferson County had 16,843 people in 6,846 households. The population density was 14.9 inhabitants per square kilometer.

The racial the population was composed of 87.6 percent white, 1.3 percent African American, 0.2 percent Native American, 8.5 percent Asian and other ethnic groups; 1.6 percent were descended from two or more races. Hispanic or Latino of any race was 2.4 percent of the population.

Statistically, 2.17 people lived in each of the 6,846 households.

18.2 percent of the population were under 18 years old, 67.0 percent were between 18 and 64 and 14.8 percent were 65 years or older. 46.6 percent of the population was female.

The median income for a household was 41,523  USD . The per capita income was $ 22,668. 15.4 percent of the population lived below the poverty line

Places in Jefferson County

Citys

Unincorporated Communities

1 - partially in Henry and Washington Counties

structure

Jefferson County is divided into 12 townships :

The city of Fairfield does not belong to any township.

Individual evidence

  1. ^ Extract from the National Register of Historic Places.Retrieved March 13, 2011
  2. ↑ Jefferson County in the United States Geological Survey's Geographic Names Information System.Retrieved February 26, 2011
  3. ↑ a b c U.S. Census Bureau, State & County QuickFacts - Jefferson County, IA ( July 12, 2011 memento on WebCite ) Retrieved April 10, 2012
  4. ^ National Association of Counties.Retrieved January 3, 2012
  5. ↑ Search mask database in the National Register Information System. National Park Service , accessed August 26, 2017.
  6. ^ US Census Bureau - Census of Population and Housing.Retrieved March 15, 2011
  7. ^ Extract from Census.gov.Retrieved February 16, 2011
  8. ↑ 2010 US Census Iowa Township and Other Subdivision Population. Retrieved July 23, 2019 .

Web links

Commons : Jefferson County, Iowa  - Collection of pictures, videos, and audio files

Coordinates: 41 ° 2 ′  N , 91 ° 57 ′  W