Jasper County, Iowa

Jasper County is a county located in the State of Iowa. As of the 2010 census, the population was 36,842.[1] The county seat is Newton.[2] The county was organized in 1846 and is named after Sergeant William Jasper, a Revolutionary War hero.[3]

Jasper County
U.S. county
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 41°41′17″N 93°03′41″W
Country United States
State Iowa
Founded1846
Named forWilliam Jasper
SeatNewton
Largest cityNewton
Area
 • Total733 sq mi (1,900 km2)
 • Land730 sq mi (1,900 km2)
 • Water2.5 sq mi (6 km2)  0.3%
Population
 (2010)
 • Total36,842
 • Estimate 
(2018)
37,147
 • Density50/sq mi (19/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitewww.co.jasper.ia.us

Jasper County is part of the Des Moines-West Des Moines, IA metropolitan area.[4]

Geography

According to the U.S. Census Bureau, the county has a total area of 733 square miles (1,900 km2), of which 730 square miles (1,900 km2) is land and 2.5 square miles (6.5 km2) (0.3%) is water.[5] The North and South Skunk River flow through the county. Bodies of water include Lake Mariposa and Rock Creek.

Major highways

Adjacent counties

Demographics
Historical population
CensusPop.%±
18501,280—
18609,883672.1%
187022,116123.8%
188025,96317.4%
189024,943−3.9%
190026,9768.2%
191027,0340.2%
192027,8553.0%
193032,93618.2%
194031,496−4.4%
195032,3052.6%
196035,2829.2%
197035,4250.4%
198036,4252.8%
199034,795−4.5%
200037,2136.9%
201036,842−1.0%
2018 (est.)37,147[6]0.8%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2018[1]

2010 census

The 2010 census recorded a population of 36,842 in the county, with a population density of 50.4692/sq mi (19.4863/km2). There were 16,181 housing units, of which 14,806 were occupied.[11]

2000 census
2000 Census Age Pyramid for Jasper County

As of the census[12] of 2000, there were 37,213 people, 14,689 households, and 10,267 families residing in the county. The population density was 51 people per square mile (20/km2). There were 15,659 housing units at an average density of 22 per square mile (8/km2). The racial makeup of the county was 97.58% White, 0.83% Black or African American, 0.22% Native American, 0.44% Asian, 0.05% Pacific Islander, 0.26% from other races, and 0.62% from two or more races. 1.01% of the population were Hispanic or Latino of any race.

There were 14,689 households, out of which 31.70% had children under the age of 18 living with them, 59.30% were married couples living together, 7.40% had a female householder with no husband present, and 30.10% were non-families. 26.10% of all households were made up of individuals, and 11.80% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.92.

In the county, the population was spread out, with 24.60% under the age of 18, 7.40% from 18 to 24, 28.60% from 25 to 44, 23.40% from 45 to 64, and 16.00% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 101.60 males. For every 100 females age 18 and over, there were 99.70 males.

The median income for a household in the county was $41,683, and the median income for a family was $50,071. Males had a median income of $36,001 versus $24,770 for females. The per capita income for the county was $19,622. About 4.80% of families and 6.50% of the population were below the poverty line, including 7.10% of those under age 18 and 7.00% of those age 65 or over.

Government and infrastructure

The Iowa Department of Corrections Newton Correctional Facility is in an unincorporated area in Jasper County, near Newton.[13]

Presidential Elections Results
Presidential Elections Results[14]
Year Republican Democratic Third Parties
2016 55.5% 10,560 37.4% 7,109 7.2% 1,365
2012 45.5% 8,877 52.6% 10,257 2.0% 381
2008 45.3% 8,794 52.8% 10,250 2.0% 378
2004 47.2% 9,462 52.0% 10,430 0.9% 170
2000 48.9% 8,729 48.8% 8,699 2.3% 407
1996 38.7% 6,414 52.9% 8,776 8.4% 1,395
1992 38.1% 6,866 45.1% 8,120 16.8% 3,026
1988 42.6% 6,703 56.8% 8,940 0.6% 90
1984 51.4% 8,576 48.0% 8,023 0.6% 100
1980 48.8% 8,286 42.8% 7,258 8.4% 1,422
1976 46.0% 7,728 52.3% 8,783 1.6% 275
1972 55.3% 9,133 42.4% 7,007 2.3% 373
1968 51.8% 7,901 43.0% 6,556 5.2% 798
1964 34.2% 5,321 65.7% 10,216 0.2% 24
1960 56.3% 9,332 43.7% 7,242 0.1% 11
1956 56.7% 9,310 43.2% 7,098 0.1% 20
1952 58.4% 9,610 41.0% 6,756 0.6% 99
1948 44.7% 5,710 52.3% 6,684 3.1% 392
1944 47.6% 6,413 51.8% 6,978 0.7% 88
1940 47.0% 7,240 52.7% 8,129 0.3% 52
1936 40.8% 5,875 57.8% 8,315 1.4% 205
1932 43.5% 5,399 54.7% 6,781 1.8% 221
1928 69.8% 9,144 29.4% 3,857 0.8% 107
1924 56.8% 6,565 10.5% 1,214 32.7% 3,778
1920 67.3% 7,417 30.7% 3,390 2.0% 222
1916 47.1% 3,092 50.0% 3,282 3.0% 194
1912 27.8% 1,766 39.2% 2,487 33.0% 2,092
1908 53.0% 3,543 43.2% 2,889 3.7% 249
1904 62.4% 3,962 30.6% 1,942 7.0% 446
1900 54.1% 3,894 44.0% 3,163 1.9% 136
1896 47.2% 2,768 51.5% 3,019 1.3% 76

Communities

Cities

Unincorporated communities

Townships

Population ranking

The population ranking of the following table is based on the 2010 census of Jasper County.[15]

† county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 † Newton City 15,254
2 Mitchellville (mostly in Polk County) City 2,254
3 Colfax City 2,093
4 Monroe City 1,830
5 Prairie City City 1,680
6 Baxter City 1,101
7 Sully City 821
8 Kellogg City 599
9 Lynnville City 379
10 Mingo City 302
11 Lambs Grove City 172
12 Oakland Acres City 156
13 Reasnor City 152
14 Valeria City 57

Notable people

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 18, 2014.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. Weaver, James Baird (1912). Past and Present of Jasper County, Iowa, Volume 1. B.F. Bowen. p. 44.
  4. United States Office of Management and Budget. "Update of Statistical Area Definitions and Guidance on Their Uses" (PDF). pp. 5, 36. Archived from the original (PDF) on May 14, 2006. Retrieved July 21, 2006.
  5. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  6. "Population and Housing Unit Estimates". Retrieved June 20, 2019.
  7. "U.S. Decennial Census". United States Census Bureau. Retrieved July 18, 2014.
  8. "Historical Census Browser". University of Virginia Library. Retrieved July 18, 2014.
  9. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 18, 2014.
  10. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 18, 2014.
  11. "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 18, 2011.
  12. "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  13. "Newton Correctional Facility Archived June 13, 2011, at the Wayback Machine." Iowa Department of Corrections. Retrieved on November 24, 2010. "Newton Correctional Facility 307 S. 60th Avenue W. P. O. Box 218 Newton, IA 50208"
  14. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 26, 2018.
  15. "2010 U.S. Census website". United States Census Bureau. Retrieved February 13, 2016.
  16. "Idaho Governor John Michiner Haines". National Governors Association. Retrieved September 19, 2012.

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