Mahaska County, Iowa
As of the census of 2000, there were 22335 residents, 8880 households, and 6147 families in the county. The population density was 39.1 people per square mile (15.1/kmē), it is the 27th most populated county in terms of population density. There were 9551 housing units at an average density of 16.7 per square mile (6.45/kmē). The average household size was 2.45 and the average family size was 2.96. The population's age distribution was 25.7% under the age of 18, 9.4% from 18 to 24, 26.8% from 25 to 44, 21.7% from 45 to 64, and 16.3% who were 65 or older. For every 100 females there were 99.1 males. For every 100 females age 18 and over, there were 96.9 males. Its population was estimated at 22321 in July 2008, The racial or ethnic makeup of the county was 96.51% White, 0.96% Black or African American, 0.25% American Indian, 1.17% Asian, 0.04% Native Hawaiian, and 1.08% from two or more races.
The median income for a household in the county was $37314, it is Iowa's 43rd wealthiest county by median household income. The median income for a family in the county was $43557, making it the 54th wealthiest county by median family income among the Iowa. The per capita income for the county was $18232, it is the 42nd highest county by per capita income in the U.S. state of Iowa.
In 2000, 5587 pupils and students, of which 49.88% are male and 50.12% are female, 25.01% of the total population, are in the education system. Of which, percentage of enrollment student are in, 6.52% nursery or pri school, 5.1% kindergarten, 45.3% elementary school, 25.18% high school and 17.9% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Barnes City City | Mahaska County, Poweshiek County | 0.6 | 0.6 | 0 | 201 | 336.1 | 14135 | 29583 |
| 2 | Beacon City | Mahaska County | 1.01 | 1.01 | 0 | 518 | 514.5 | 16972 | 32000 |
| 3 | Fremont City | Mahaska County | 1.03 | 1.03 | 0 | 704 | 682.7 | 16925 | 39583 |
| 4 | Keomah Village City | Mahaska County | 0.03 | 0.03 | 0 | 97 | 3370.2 | 27891 | 63750 |
| 5 | Leighton City | Mahaska County | 0.08 | 0.08 | 0 | 153 | 2004.7 | 16294 | 46667 |
| 6 | New Sharon City | Mahaska County | 0.94 | 0.94 | 0 | 1301 | 1390.9 | 17280 | 36125 |
| 7 | Oskaloosa City | Mahaska County | 6.88 | 6.86 | 0.02 | 10938 | 1593.8 | 18721 | 34490 |
| 8 | Rose Hill City | Mahaska County | 0.14 | 0.14 | 0 | 205 | 1501.9 | 21298 | 30469 |
| 9 | University Park City | Mahaska County | 0.77 | 0.77 | 0 | 536 | 697 | 14212 | 31875 |
| 10 | Eddyville City | Wapello County, Mahaska County, Monroe County | 1.18 | 1.18 | 0 | 1064 | 898.9 | 16354 | 32446 |
| Year | Population |
|---|---|
| April 2000 census | 22335 |
| April 2000 Estimate | 22335 |
| July 2000 Estimate | 22304 |
| July 2001 Estimate | 22377 |
| July 2002 Estimate | 22311 |
| July 2003 Estimate | 22026 |
| July 2004 Estimate | 22069 |
| July 2005 Estimate | 22233 |
| July 2006 Estimate | 22153 |
| July 2007 Estimate | 22253 |
| July 2008 Estimate | 22321 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 192 | 172 | 364 |
| Kindergarten | 170 | 115 | 285 |
| Elementary school | 1258 | 1273 | 2531 |
| High school | 707 | 700 | 1407 |
| College or graduate school | 460 | 540 | 1000 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Mahaska County, Iowa | $37314 | $43557 | $18232 |
| Iowa, United States | $39469 | $48005 | $19674 |
| United States | $41994 | $50046 | $21587 |