County

Decatur County, IA

8 ZIP codes  ·  8 cities  ·  Iowa

👥7,967Population
💰$56,392Median HH Income▼ 26% below avg
🎂36.1Median Age
🏠$110,406Median Home Value▼ 60% below avg
🎓37.0%College Grads≈ Avg
📊3.8%Unemployment▼ 22% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.2% Female 49.8% ♀

Race & Ethnicity

White: 90.9%Hispanic: 3.6%Black: 2.1%Asian: 1.2%Other: 3.1%Race
White90.9%
Hispanic3.6%
Black2.1%
Asian1.2%
Other3.1%

Age Breakdown

Under 5
6%
5–17
17%
18–24
15%
25–44
20%
45–64
22%
65+
8%

Key Indicators

Median Age36.1 yrs
Avg HH Size2.35
Below Poverty14.5% ▲ 45% above avg
College Grads37.0% ≈ Avg
Unemployment3.8% ▼ 22% below avg
No HS Diploma71 (1.6%)
HS Graduate1,704 (37.7%)
Some College557 (12.3%)
Associates593 (13.1%)
Bachelors443 (9.8%)
Graduate Degree1,150 (25.5%)

Education

No HS: 1.6%HS Grad: 37.7%Some College: 12.3%Associates: 13.1%Bachelors: 9.8%Graduate: 25.5%Edu
No HS1.6%
HS Grad37.7%
Some College12.3%
Associates13.1%
Bachelors9.8%
Graduate25.5%
Housing & Income

Housing Tenure

Owner: 68%Renter: 32%Tenure
Owner68.0%
Renter32.0%

Home Value Distribution

Under $50k
19%
$50k–$100k
26%
$100k–$150k
16%
$150k–$200k
9%
$200k–$300k
15%
$300k–$500k
8%
Over $500k
7%

Financials

Median HH Income$56,392 ▼ 26% below avg
Median Home Value$110,405 ▼ 60% below avg
Home/Income Ratio2.0x (nat avg ~3.5x)
Median Rent$647/mo
Total Housing Units3,753
Vacant Units602

Income Distribution

Under $25k
24%
$25k–$50k
18%
$50k–$75k
25%
$75k–$100k
12%
$100k–$150k
14%
$150k–$200k
3%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
85%
Walked
6%
Work From Home
8%

Commute Time

Under 15 min
45%
15–30 min
24%
30–45 min
15%
Over 45 min
16%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
7%
1960s–1970s
9%
1980s–1990s
19%
2000+
63%
About Decatur County, IA

Decatur County is located in Iowa and encompasses 8 ZIP codes spanning 8 cities and communities. The county has an estimated population of 7,967 residents. With a median age of 36.14, it is a relatively young county.

Decatur County has a solidly middle-class economic profile. The median household income of $56,391 is below the national average. Unemployment stands at 3.8%, below the national average. The poverty rate of 14.5% is above the national average.

Housing in Decatur County is one of the more affordable housing markets in the country, with a median home value of $110,405 — well below the national average. Monthly median rent is approximately $647. Homeownership rates are high at 68.0%, reflecting a largely residential, stable population.

The residents of Decatur County are primarily White (90.9%). Educational attainment is moderately educated — 37.0% of adults hold a bachelor's degree or higher, near the national average.

Decatur County, IA is a solidly middle-class area in Iowa. The 8 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Decatur County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
50065 Davis City 500 $51,111 $75,800 $731 5.3% 30.5%
50067 Decatur 384 $45,000 $112,100 0.8% 25.0%
50103 Garden Grove 398 $62,500 $90,000 $650 1.1% 27.4%
50108 Grand River 432 $33,594 $46,300 $575 4.0% 26.8%
50140 Lamoni 2,817 $54,000 $120,300 $715 6.9% 58.6%
50144 Leon 2,715 $64,511 $122,200 $544 1.2% 22.8%
50262 Van Wert 225 $41,806 $77,400 $688 1.8% 23.0%
50264 Weldon 496 $61,250 $787 5.0% 30.8%