County profile

Decatur County

Iowa · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
7,759
Median household income
$59,044
People below poverty
14.6%
Median home value
$113,900

Income

The median income of households in Decatur County, Iowa was $59,044. An estimated 4.9% of households had income below $10,000 a year and 3.4% had income of $200,000 or more.

Household Income in Decatur County, Iowa in 2020-2024

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Percent
Less than $10,000 4.9
$10,000 to $14,999 4.7
$15,000 to $24,999 9.9
$25,000 to $34,999 9.2
$35,000 to $49,999 13.3
$50,000 to $74,999 22.3
$75,000 to $99,999 12.2
$100,000 to $149,999 16.2
$150,000 to $199,999 3.9
$200,000 or more 3.4

Median Earnings for Full-Time Year-Round Workers by Sex in Decatur County, Iowa in 2020-2024

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Dollars
Male 53385
Female 41659

An estimated 73.1% of households received earnings. An estimated 40.3% of households received Social Security and an estimated 27.2 % of households received retirement income other than Social Security. The average income from Social Security was $21,897. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in Decatur County, Iowa in 2020-2024

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Percent
Earnings 73.1
Social Security 40.3
Retirement income 27.2
Supplemental Security Income (SSI) 4.5
Cash public assistance income 2.4

Poverty and Participation in Government Programs

In 2020-2024, 14.6 % of people were in poverty. An estimated 20.1% of children under 18 were below the poverty level, compared with 12.9% of people 65 years old and over. An estimated 12.9% of people 18 to 64 years were below the poverty level.

Poverty Rates in Decatur County, Iowa in 2020-2024

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Percent
People in poverty 14.6
Children under 18 years below poverty 20.1
People 65 years old and over below poverty 12.9
People 18 to 64 years below poverty 12.9

In 2020-2024, 9.7 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 41.8% of households that received SNAP had children under 18, and 49.5% of households that received SNAP had one or more people 60 years and over. An estimated 19.9% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in Decatur County, Iowa in 2020-2024, 92.4% had health insurance coverage and 7.6% did not have health insurance coverage. Private coverage was 66% and public coverage was 42.2%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 12.5%.


In 2020-2024, Decatur County, Iowa had a total population of 7,759 - 3,909 (50.4%) females and 3,850 (49.6%) males. The median age was 36.1 years. An estimated 22.2% of the population was under 18 years, 30.2% was 19 to 44 years, 21% was 45 to 64 years, and 21.1 % was 65 years and older.

Population by Age and Sex for Decatur County, Iowa in 2020-2024

Male Female
Under 5 213 209
5 to 9 282 177
10 to 14 232 290
15 to 19 378 358
20 to 24 446 395
25 to 29 182 171
30 to 34 207 222
35 to 39 191 167
40 to 44 170 196
45 to 49 175 183
50 to 54 189 190
55 to 59 203 242
60 to 64 239 213
65 to 69 243 234
70 to 74 199 218
75 to 79 166 215
80 to 84 74 120
85 and over 61 109

Hispanic Origin and Race

For people reporting one race alone, 91.8% were White; 1.3% were Black or African American; 19.4% were American Indian and Alaska Native; 0.7% were Asian; 0.4% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 4.6% reported Two or More Races. An estimated 3.5% of the people in Decatur County, Iowa were Hispanic or Latino. An estimated 90.2% of the people in Decatur County, Iowa were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 3,055 households in Decatur County, Iowa. The average household size was 2.35 people.

Married-couple households made up 49.8% of the households in Decatur County, Iowa while cohabiting couple households made up 11.9% of households. Female householders with no spouse or partner present were 22.1% of all households, while 16.2% of households had male householders with no spouse or partner present. Some households had one person, as 13% of households were male householders living alone, and 16.8% were female householders living alone, for a total of 29.8% of all households.

In Decatur County, Iowa, 27.9% of all households had one or more people under the age of 18; 37.2% of all households had one or more people 65 years and over.

Types of Households in Decatur County, Iowa in 2020-2024

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Percent
Married-couple households 49.8
Cohabiting Couples 11.9
Male Householder
No spouse/partner present
16.2
Female Householder
No spouse/partner present
22.1

Marital Status

Among persons 15 and older, 52.5% of males and 47.6% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 33.5 27.9
Now married, except separated 52.5 47.6
Separated 1.1 1.2
Widowed 2.6 11.3
Divorced 10.3 12

Grandparents and Grandchildren

In Decatur County, Iowa, 107 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 47.7% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 98.1% of the people living in Decatur County, Iowa were U.S. natives. 69.2% of the Decatur County, Iowa population were living in the state where they were born.

Approximately 1.9% of Decatur County, Iowa residents in 2020-2024 were foreign-born. 24% of foreign-born were naturalized U.S. citizens and an estimated 44.5 % entered the country before the year 2010.

Foreign-born residents of Decatur County, Iowa come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for Decatur County, Iowa.

Region of Birth for the Foreign-Born Population in Decatur County, Iowa in 2020-2024

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Percent
Latin America 26
Asia 41.1
Europe 6.2
Africa 7.5
Northern America 17.1
Oceania 2.1

Language

Among people at least five years old living in Decatur County, Iowa in 2020-2024, 5.2 % spoke a language other than English at home. Spanish was spoken by 0.8% of people at least five years old; 1.4% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in Decatur County, Iowa in 2020-2024

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Percent
Spanish 0.8
Other Indo-European languages 3.3
Asian and Pacific Islander languages 0.7
Other languages 0.5

Geographic Mobility

In 2020-2024, 83.3 % of the people at least one year old living in Decatur County, Iowa were living in the same house one year earlier.

Geographic Mobility of Residents of Decatur County, Iowa in 2020-2024

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Percent
Same house 83.3
Different house, same county 6.9
Different county, same state 5.9
Different state 3.5
Abroad 0.4

Education

In 2020-2024, 89.7 % of people 25 years and over had at least graduated from high school and 23.5% had a bachelor's degree or higher. An estimated 10.3% did not complete high school.

The total school enrollment in Decatur County, Iowa was 2,155 in 2020-2024. Nursery school enrollment was 92 and kindergarten through 12th grade enrollment was 1,236. College or graduate school enrollment was 827.

Educational Attainment of People in Decatur County, Iowa in 2020-2024

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Percent
Less than high school diploma 10.3
High school diploma or equivalency 39
Some college, no degree 18.4
Associate's degree 8.8
Bachelor's degree 12.3
Graduate or professional degree 11.2

Disability

In Decatur County, Iowa, among the civilian noninstitutionalized population in 2020-2024, 15.7 % reported a disability. The likelihood of having a disability varied by age - from 4% of people under 18 years old, to 12.3% of people 18 to 64 years old, and to 37.9% of those 65 and over.


Employment Status and Type of Employer

In Decatur County, Iowa, 61.1 % of the population 16 and over were employed; 37.6% were not currently in the labor force.

An estimated 70.5% of the people employed were private wage and salary workers; 18.1% were federal, state, or local government workers; and 10.6 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 2,677 70.5
Federal, state, or local government workers 687 18.1
Self-employed workers in own not incorporated business 403 10.6

Industries

In 2020-2024, the civilian employed population 16 years and older in Decatur County, Iowa worked in the following industries:

Percent by Industry in Decatur County, Iowa in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 5.6
Construction 8.1
Manufacturing 13.7
Wholesale trade 1.1
Retail trade 11.7
Transportation and warehousing, and utilities 5.5
Information 1.3
Finance and insurance, and real estate and rental and leasing 4.3
Professional, scientific, and management, and administrative and waste management services 3.2
Educational services, and health care and social assistance 30.7
Arts, entertainment, and recreation, and accommodation, and food services 8.1
Other Services, except public administration 5
Public administration 1.6

Occupations

Occupations for the Civilian Employed Population 16 Years and over in Decatur County, Iowa in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 1,375 36.2
Service occupations 652 17.2
Sales and office occupations 764 20.1
Natural resources, construction, and maintenance occupations 452 11.9
Production, transportation, and material moving occupations 556 14.6

Commuting to Work

An estimated 75% of Decatur County, Iowa workers drove to work alone in 2020-2024, and 10.2% carpooled. Among those who commuted to work, it took them on average 22.5 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in Decatur County, Iowa in 2020-2024

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Percent
Car, truck, van -- drove alone 75
Car, truck, van -- carpooled 10.2
Public transportation (excluding taxicab) 0
Walked 7.8
Other means 0.9
Worked from home 6

In 2020-2024, Decatur County, Iowa had a total of 3,659 housing units. Of these housing units, 77.7% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 14.8% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 7.5% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in Decatur County, Iowa in 2020-2024

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Percent
Single-family houses 77.7
Apartments in multi-unit structures 14.8
Mobile homes 7.5
Boat, RV, van, etc 0

5.2% of the housing inventory was comprised of houses built since 2010, while 27.5% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in Decatur County, Iowa was 6 rooms, and of these housing units 59.6% had three or more bedrooms.


In 2020-2024, Decatur County, Iowa had 3,055 housing units that were occupied or had people living in them, while the remaining 604 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 69.7% while renters occupied 30.3%. The average household size of owner-occupied houses was 2.54 and in renter-occupied houses it was 1.92.

4.6% of householders of these occupied houses had moved into their house since 2021, while 11.2% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 7.5% and another 32.4% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in Decatur County, Iowa:

House Heating Fuel Used in Decatur County, Iowa in 2020-2024

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Percent
Gas 64.4
Electricity 27.2
Fuel oil, kerosene, etc 0.7
All other fuels 6.9
No fuel used 0.9

In 2020-2024, the median property value for owner-occupied houses in Decatur County, Iowa was $113,900.

Of the owner-occupied households, 46.9 % had a mortgage. 53.1% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $1,279 and for owners without a mortgage it was $558.

For renter-occupied houses, the median gross rent for Decatur County, Iowa was $611. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.