Mahaska County, Iowa Population 2018

Mahaska County, Iowa's estimated population is 22,235 with a growth rate of 0.13% in the past year according to the most recent United States census data. Mahaska County, Iowa is the 28th largest county in Iowa.

Year Population Growth Growth Rate
201722,301660.30%
201722,235290.13%
201622,206-102-0.46%
201522,308-44-0.20%
201422,352-53-0.24%
201322,405120.05%
201222,393-97-0.43%
201122,490840.37%
201022,4068844.11%
199021,522-1,345-5.88%
198022,8676903.11%
197022,177-1,425-6.04%
196023,602-1,070-4.34%
195024,672-1,813-6.85%
194026,4856812.64%
193025,804-466-1.77%
192026,270-3,590-12.02%
191029,860-4,413-12.88%
190034,2735,46818.98%
189028,8053,60314.30%
188025,2022,69411.97%
187022,5087,69251.92%
186014,8168,827147.39%
18505,9890.00%

Mahaska County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White21,256
Black or African American343
Asian297
Two or More Races248
Some Other Race84
American Indian and Alaska Native60
Native Hawaiian and Other Pacific Islander13

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Mahaska County, Iowa Population Pyramid 2018

200400600800 Male Population200400600800 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Mahaska County, Iowa Median Age

39.7


Total

37.7


Male

41.1


Female

Mahaska County, Iowa Adults

There are 16,945 adults, (3,891 of whom are seniors) in Mahaska County, Iowa.

Mahaska County, Iowa Age Dependency

70.8

Age Dependency Ratio

29.8

Old Age Dependency Ratio

41

Child Dependency Ratio

Mahaska County, Iowa Sex Ratio

Female

11,008

49.36%

Male

11,293

50.64%

Mahaska County, Iowa Households and Families

Mahaska County, Iowa Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Mahaska County, Iowa Household Types

Type Owner Renter
Married85.7%14.3%
All70.5%29.5%
Male69.5%30.5%
Female53.2%46.8%
Non Family52.4%47.6%

70.5%

Rate of Home Ownership

Mahaska County, Iowa Households by Type

Type Count Average Size Owned
All8,9552.4170.5
Married4,6243.0385.7
Non Family3,0071.1952.4
Female8882.9853.2
Male4363.1369.5

2.95

Average Family Size

2.41

Average Household Size

5.5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Mahaska County, Iowa Households

Mahaska County, Iowa Education

Mahaska County, Iowa Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade4442.96%
9th to 12th Grade7765.18%
High School Graduate5,81338.80%
Some College2,98219.90%
Associates Degree1,3979.32%
Bachelors Degree2,54616.99%
Graduate Degree1,0246.83%

Mahaska County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White14,21813,0973,340
Hispanic24019831
Black18918368
Asian186153116
Multiple Races887214
Other Race57156
Native American42401
Islander1313

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 62.37%.

Mahaska County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$35,274$42,042$25,625
Less Than High School$17,344$21,389$11,843
High School Grad$30,931$39,412$18,728
Some College$32,362$43,323$22,740
Bachelors Degree$40,981$51,698$35,098
Graduate Degree$60,579$71,071$50,625

$35,274

Average Earnings

$42,042

Average Male

$25,625

Average Female

Mahaska County, Iowa Language

Mahaska County, Iowa Language by Age

Mahaska County, Iowa Language

97.15% of Mahaska County, Iowa residents speak only English, while 2.85% speak other languages. The largest non-English language is Asian, which is spoken by 1.11% of the population.

Mahaska County, Iowa Poverty

Mahaska County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White20,4062,78313.64%
Hispanic43613130.05%
Black2337030.04%
Asian2975819.53%
Multiple2275524.23%
Islander1313100.00%
Other8467.14%

14.39%

Overall Poverty Rate

13.10%

Male Poverty Rate

15.68%

Female Poverty Rate

Poverty in Mahaska County, Iowa

The race most likely to be in poverty in Mahaska County, Iowa is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Mahaska County, Iowa is Other, with 7.14% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.96%. Among those working part-time, it was 22.80%, and for those that did not work, the poverty rate was 20.39%.

Mahaska County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School17.67%
Some College15.78%
High School12.63%
Bachelors or Greater3.81%

Mahaska County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed53.64%
Male Unemployed25.76%
Female Employed12.21%
Male Employed7.09%

Mahaska County, Iowa Income

Mahaska County, Iowa Income by Household Type

Name Median Mean
Households$50,568$65,026
Families$61,283$77,140
Married Families$72,295$
Non Families$26,185$37,686

Mahaska County, Iowa Marital Status

Mahaska County, Iowa Marital Status

Marriage Rates

54.0%

Overall Marriage Rate

54.7%

Male Marriage Rate

53.3%

Female Marriage Rate

Mahaska County, Iowa Married by Age and Sex

Mahaska County, Iowa Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 55To64.

Mahaska County, Iowa Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Mahaska County, Iowa Veterans

Mahaska County, Iowa Veterans by War

1,312

Number of Veterans

1,234

Male Veterans

78

Female Veterans

Name Veterans
Vietnam547
Korea183
First Gulf War160
Second Gulf War159
World War II86

Mahaska County, Iowa Veterans by Age

Name Veterans
65 to 74344
75+338
35 to 54315
55 to 64238
18 to 3477

Mahaska County, Iowa Veterans by Race

Name Veterans % of Total
White1,2537.72%
Black5519.16%
Hispanic3311.79%
2 or More43.54%

Mahaska County, Iowa Veterans by Education

11.70%

Veteran Poverty Rate

25.04%

Veteran Disability Rate

Mahaska County, Iowa Employment Status

Mahaska County, Iowa Employment by Age

65.9%

Labor Force Participation

62.2%

Employment Rate

5.6%

Unemployment Rate

Mahaska County, Iowa Employment by Race

Mahaska County, Iowa Employment by Education

Population of Cities in Mahaska County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Oskaloosa1150211523210.18%
Pella 1035810255-103-0.99%
New Sharon12931287-6-0.46%
Eddyville 10241005-19-1.86%
Fremont743724-19-2.56%
Beacon494477-17-3.44%
University Park487474-13-2.67%
Barnes City 176173-3-1.70%
Rose Hill168166-2-1.19%
Leighton162160-2-1.23%
Keomah Village848511.19%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990