County

Winneshiek County, IA

8 ZIP codes  ·  8 cities  ·  Iowa

👥19,254Population
💰$75,154Median HH Income≈ Avg
🎂42.0Median Age
🏠$235,773Median Home Value▼ 15% below avg
🎓48.1%College Grads▲ 24% above avg
📊2.3%Unemployment▼ 53% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.5% Female 49.5% ♀

Race & Ethnicity

White: 94%Hispanic: 3.1%Black: 1%Asian: 0.8%Other: 1.5%Race
White94.0%
Hispanic3.1%
Black1.0%
Asian0.8%
Other1.5%

Age Breakdown

Under 5
5%
5–17
14%
18–24
14%
25–44
20%
45–64
25%
65+
9%

Key Indicators

Median Age42.0 yrs
Avg HH Size2.22
Below Poverty7.1% ▼ 29% below avg
College Grads48.1% ▲ 24% above avg
Unemployment2.3% ▼ 53% below avg
No HS Diploma101 (0.8%)
HS Graduate3,745 (30.9%)
Some College993 (8.2%)
Associates1,471 (12.1%)
Bachelors1,963 (16.2%)
Graduate Degree3,855 (31.8%)

Education

No HS: 0.8%HS Grad: 30.9%Some College: 8.2%Associates: 12.1%Bachelors: 16.2%Graduate: 31.8%Edu
No HS0.8%
HS Grad30.9%
Some College8.2%
Associates12.1%
Bachelors16.2%
Graduate31.8%
Housing & Income

Housing Tenure

Owner: 75.7%Renter: 24.3%Tenure
Owner75.7%
Renter24.3%

Home Value Distribution

Under $50k
3%
$50k–$100k
7%
$100k–$150k
12%
$150k–$200k
14%
$200k–$300k
29%
$300k–$500k
24%
Over $500k
11%

Financials

Median HH Income$75,154 ≈ Avg
Median Home Value$235,772 ▼ 15% below avg
Home/Income Ratio3.1x (nat avg ~3.5x)
Median Rent$807/mo
Total Housing Units8,686
Vacant Units869

Income Distribution

Under $25k
13%
$25k–$50k
15%
$50k–$75k
19%
$75k–$100k
16%
$100k–$150k
21%
$150k–$200k
7%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
76%
Public Transit
0%
Walked
11%
Work From Home
12%

Commute Time

Under 15 min
51%
15–30 min
33%
30–45 min
8%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
8%
1960s–1970s
10%
1980s–1990s
14%
2000+
65%
About Winneshiek County, IA

Winneshiek County is located in Iowa and encompasses 8 ZIP codes spanning 8 cities and communities. The county has an estimated population of 19,254 residents. With a median age of 41.96, it is a middle-aged county.

Winneshiek County has a middle-income economic profile. The median household income of $75,153 is near the national average. Unemployment stands at 2.3%, well below the national average. The poverty rate of 7.1% is well below the national average.

Housing in Winneshiek County is an affordable housing market, with a median home value of $235,772 — below the national average. Monthly median rent is approximately $807. Homeownership rates are high at 75.7%, reflecting a largely residential, stable population.

The residents of Winneshiek County are primarily White (93.98%). Educational attainment is well-educated — 48.1% of adults hold a bachelor's degree or higher, above the national average.

Winneshiek County, IA is a middle-income 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 Winneshiek County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
52132 Calmar 1,856 $97,621 $225,700 $743 0.2% 43.5%
52133 Castalia 711 $80,030 $208,900 0.0% 23.1%
52101 Decorah 12,539 $70,046 $249,500 $813 3.1% 53.8%
52144 Fort Atkinson 1,056 $85,341 $193,800 $1,102 0.3% 42.2%
52161 Ossian 1,558 $77,250 $173,500 $715 1.8% 38.8%
52165 Ridgeway 1,125 $91,250 $270,800 $653 1.2% 31.9%
52168 Spillville 409 $42,750 $156,600 $929 2.7% 29.5%