Mahaska County, Iowa facts for kids

Kids Encyclopedia Facts
Mahaska County, Iowa
Map
Map of Iowa highlighting Mahaska County
Location in the state of Iowa
Map of the USA highlighting Iowa
Iowa's location in the U.S.
Statistics
Founded 1843
Seat Oskaloosa
Largest City Oskaloosa
Area
 - Total
 - Land
 - Water

573 sq mi (1,484 km²)
571 sq mi (1,479 km²)
2.5 sq mi (6 km²), 0.4%
Population
 - (2010)
 - Density

22,381
39/sq mi (15/km²)
Time zone Central: UTC-6/-5
Website: www.mahaskacounty.org
Named for: Mahaska

Mahaska County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 22,335. The county seat is Oskaloosa.

Mahaska County comprises the Oskaloosa, IA Micropolitan Statistical Area.

History

Mahaska
Mahaska, from Futon's Red Men of Iowa 1882.

Mahaska County was formed on February 17, 1843. The county has been self-governing since February 5, 1844. It was named after Chief Mahaska of the Iowa tribe. The county was the first in Iowa to have a sheriff and a justice of peace.

The first courthouse was completed in January, 1846. The second structure was put into use on February 27, 1886. The first school, a small log cabin one-half mile (ca. 2 km) east of Oskaloosa, was opened on September 16, 1844 and the Cumberland Presbyterian Church opened as the first church in 1846. On July 2, 1850, the first edition of the Iowa Herald was issued (today the Oskaloosa Herald). In 1864, the first tracks were laid through the county of the Des Moines Valley Railroad.

Coal mining was once a major industry in Mahaska County. In the 19th century, Muchakinock, about 5 miles (8.0 km) south of Oskaloosa, was probably the largest and most prosperous coal camp in Iowa.

Geography

According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 571 square miles (1,480 km2) is land and 2.5 square miles (6.5 km2) (0.4%) is water.

Major highways

  • US 63.svg U.S. Highway 63
  • Iowa 23.svg Iowa Highway 23
  • Iowa 92.svg Iowa Highway 92
  • Iowa 163.svg Iowa Highway 163
  • Iowa 146.svg Iowa Highway 146
  • Iowa 149.svg Iowa Highway 149

Adjacent counties

Demographics

Historical population
Census Pop.
1850 5,989
1860 14,816 147.4%
1870 22,508 51.9%
1880 25,202 12.0%
1890 28,805 14.3%
1900 34,273 19.0%
1910 29,860 −12.9%
1920 26,270 −12.0%
1930 25,804 −1.8%
1940 26,485 2.6%
1950 24,672 −6.8%
1960 23,602 −4.3%
1970 22,177 −6.0%
1980 22,867 3.1%
1990 21,532 −5.8%
2000 22,335 3.7%
2010 22,381 0.2%
Est. 2015 22,324 −0.3%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

2010 census

The 2010 census recorded a population of 22,381 in the county, with a population density of 39.2051/sq mi (15.1372/km2). There were 9,766 housing units, of which 8,975 were occupied.

2000 census

USA Mahaska County, Iowa age pyramid
2000 Census Age Pyramid for Mahaska County

As of the census of 2000, there were 22,335 people, 8,880 households, and 6,144 families residing in the county. The population density was 39 people per square mile (15/km²). There were 9,551 housing units at an average density of 17 per square mile (6/km²). The racial makeup of the county was 97.20% White, 0.64% Black or African American, 0.19% Native American, 0.86% Asian, 0.03% Pacific Islander, 0.30% from other races, and 0.78% from two or more races. 0.85% of the population were Hispanic or Latino of any race.

There were 8,880 households out of which 32.40% had children under the age of 18 living with them, 58.60% were married couples living together, 7.50% had a female householder with no husband present, and 30.80% were non-families. 26.60% of all households were made up of individuals and 12.40% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.96.

In the county, the population was spread out with 25.70% under the age of 18, 9.40% from 18 to 24, 26.80% from 25 to 44, 21.70% from 45 to 64, and 16.30% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 99.10 males. For every 100 females age 18 and over, there were 96.90 males.

The median income for a household in the county was $37,314, and the median income for a family was $43,557. Males had a median income of $32,618 versus $23,192 for females. The per capita income for the county was $18,232. About 7.50% of families and 9.80% of the population were below the poverty line, including 11.70% of those under age 18 and 9.30% of those age 65 or over.

Communities

Cities

Unincorporated communities

Population ranking

The population ranking of the following table is based on the 2010 census of Mahaska County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Oskaloosa City 11,463
2 New Sharon City 1,293
3 Eddyville (partially in Monroe and Wapello Counties) City 1,024
4 Fremont City 743
5 Beacon City 494
6 University Park City 487
7 Barnes City (partially in Poweshiek County) City 176
8 Rose Hill City 168
9 Leighton City 162
10 Keomah Village City 84

Mahaska County, Iowa Facts for Kids. Kiddle Encyclopedia.