Decatur County, Iowa Population 2018

Decatur County, Iowa's estimated population is 7,950 with a growth rate of -3.17% in the past year according to the most recent United States census data. Decatur County, Iowa is the 86th largest county in Iowa.

Year Population Growth Growth Rate
20177,950-260-3.17%
20168,2101652.05%
20168,045-78-0.96%
20158,123-77-0.94%
20148,200-9-0.11%
20138,209-28-0.34%
20128,237-8-0.10%
20118,245-174-2.07%
20108,419810.97%
19908,338-1,456-14.87%
19809,794570.59%
19709,737-802-7.61%
196010,539-2,062-16.36%
195012,601-1,411-10.07%
194014,012-891-5.98%
193014,903-1,663-10.04%
192016,5662191.34%
191016,347-1,768-9.76%
190018,1152,47215.80%
189015,6433072.00%
188015,3363,31827.61%
187012,0183,34138.50%
18608,6777,712799.17%
18509650.00%

Decatur County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White7,815
Black or African American163
Two or More Races113
Asian43
American Indian and Alaska Native37
Some Other Race21
Native Hawaiian and Other Pacific Islander18

Race Data via US Census (2016 ACS 5-Year Survey)

Decatur County, Iowa Population Pyramid 2018

0%2%4%6%8%10%12%14% Male Population0%2%4%6%8%10%12%14% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Decatur County, Iowa Median Age

36.8


Total

34.7


Male

39.3


Female

Decatur County, Iowa Adults

There are 6,453 adults, (1,527 of which are seniors) in Decatur County, Iowa.

Decatur County, Iowa Age Dependency

66.6

Age Dependency Ratio

31

Old Age Dependency Ratio

35.7

Child Dependency Ratio

Decatur County, Iowa Sex Ratio

Female

4,102

49.96%

Male

4,108

50.04%

Decatur County, Iowa Households and Families

Decatur County, Iowa Renter vs Owner Occupied by Household Type

Decatur County, Iowa Household Types

Type Owner Renter
Married77.1%22.9%
All65.9%34.1%
Male58.2%41.8%
Non Family57.9%42.1%
Female39.5%60.5%

65.9%

Rate of Home Ownership

Decatur County, Iowa Households by Type

Type Count Average Size Owned
All3,1662.3565.9
Married1,593377.1
Non Family1,1721.1957.9
Female2913.2339.5
Male1103.0258.2

2.97

Average Family Size

2.35

Average Household Size

4.3%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

Decatur County, Iowa Households

Decatur County, Iowa Education

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

Education Attained Count Percentage
Less Than 9th Grade2855.73%
9th to 12th Grade3657.33%
High School Graduate1,85137.18%
Some College1,10122.12%
Associates Degree3757.53%
Bachelors Degree64813.02%
Graduate Degree3537.09%

Decatur County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White4,7614,163963
Hispanic74554
Multiple Races463310
Asian434310
Black352811
Native American2793
Islander44

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

The highest rate of bachelors degrees is among asian people with a rate of 31.43%.

Decatur County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$30,797$33,404$26,074
Less Than High School$20,132$22,348$13,036
High School Grad$25,928$31,364$22,076
Some College$30,519$34,680$24,813
Bachelors Degree$43,142$39,886$43,378
Graduate Degree$45,060$46,071$43,438

$30,797

Average Earnings

$33,404

Average Male

$26,074

Average Female

Decatur County, Iowa Language

Decatur County, Iowa Language by Age

Decatur County, Iowa Language

93.60% of Decatur County, Iowa residents speak only English, while 6.40% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 4.79% of the population.

Decatur County, Iowa Poverty

Decatur County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White7,0231,41720.18%
Hispanic1635332.52%
Black1104036.36%
Native3434100.00%
Asian43920.93%
Islander44100.00%
Multiple10221.96%

20.82%

Overall Poverty Rate

20.48%

Male Poverty Rate

21.16%

Female Poverty Rate

Poverty in Decatur County, Iowa

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

The race least likely to be in poverty in Decatur County, Iowa is Multiple, with 1.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.22%. Among those working part-time, it was 25.50%, and for those that did not work, the poverty rate was 27.25%.

Decatur County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School28.14%
High School17.02%
Some College10.50%
Bachelors or Greater6.05%

Decatur County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed43.01%
Female Unemployed13.64%
Female Employed13.61%
Male Employed10.56%

Decatur County, Iowa Income

Decatur County, Iowa Income by Household Type

Name Median Mean
Households$38,467$51,260
Families$50,083$60,165
Married Families$55,516$
Non Families$21,207$34,566

Decatur County, Iowa Marital Status

Decatur County, Iowa Marital Status

Marriage Rates

49.0%

Overall Marriage Rate

50.0%

Male Marriage Rate

48.1%

Female Marriage Rate

Decatur County, Iowa Married by Age and Sex

Decatur 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.

Decatur County, Iowa Marital Status by Race

Decatur County, Iowa Veterans

Decatur County, Iowa Veterans by War

543

Number of Veterans

515

Male Veterans

28

Female Veterans

Name Veterans
Vietnam225
World War II77
Korea70
Second Gulf War67
First Gulf War66

Decatur County, Iowa Veterans by Age

Name Veterans
75+170
55 to 64129
65 to 74113
35 to 54101
18 to 3430

Decatur County, Iowa Veterans by Race

Name Veterans % of Total
White5278.60%
2 or More1017.54%
Hispanic31.89%
Asian36.98%
Indian38.82%

Decatur County, Iowa Veterans by Education

12.29%

Veteran Poverty Rate

44.69%

Veteran Disability Rate

Decatur County, Iowa Employment Status

Decatur County, Iowa Employment by Age

58.8%

Labor Force Participation

55.4%

Employment Rate

5.8%

Unemployment Rate

Decatur County, Iowa Employment by Race

Decatur County, Iowa Employment by Education

Population of Cities in Decatur County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Lamoni23242354301.29%
Leon19771880-97-4.91%
Grand River236223-13-5.51%
Van Wert225213-12-5.33%
Garden Grove211207-4-1.90%
Davis City204193-11-5.39%
Decatur City197186-11-5.58%
Weldon125118-7-5.60%
Pleasanton4846-2-4.17%
Le Roy1514-1-6.67%
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