Winneshiek County, IA ZIP Codes
Iowa (IA) · 8 ZIP codes · 8 cities
8
ZIP codes
19,892
population (2021)
-5.5%
pop change since 2010
19191
FIPS code
Winneshiek County ZIP code map
About Winneshiek County
Winneshiek County is located in Iowa and contains 8 ZIP codes across 8 cities and communities.
The county's population was 19,892 as of 2021,
a decrease of
5.5% from 21,056 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Winneshiek County is 19191.
| Population | |
|---|---|
| 2021 population | 19,892 |
| 2010 population | 21,056 |
| Change | -5.5% |
| County details | |
|---|---|
| State | Iowa |
| FIPS code | 19191 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Winneshiek County
ZIP codes for Winneshiek County, IA (8)
| ZIP code | City | County | Map |
|---|---|---|---|
| 52101 | Decorah | Winneshiek | View map |
| 52132 | Calmar | Winneshiek | View map |
| 52133 | Castalia | Winneshiek | View map |
| 52144 | Fort Atkinson | Winneshiek | View map |
| 52149 | Highlandville | Winneshiek | View map |
| 52161 | Ossian | Winneshiek | View map |
| 52165 | Ridgeway | Winneshiek | View map |
| 52168 | Spillville | Winneshiek | View map |
Demographics & statistics
18,955
Population
41.5
Median age
$68,175
Median household income
$37,804
Per capita income
$208,317
Median home value
$772
Median monthly rent
83.2%
Home ownership
4.8%
Poverty rate
1.0%
Unemployment
6,515
Housing units
20.4%
Bachelor's or higher
Age distribution
Male
Female
509
Under 5
464
513
5–9
469
476
10–14
435
903
15–19
823
943
20–24
861
890
25–34
812
1,019
35–44
930
1,042
45–54
951
664
55–59
606
798
60–64
729
1,196
65–74
1,091
649
75–84
593
308
85+
281
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,597 | 21.3% |
| 18 and over | 15,358 | 78.7% |
| 65 and over | 4,118 | 18.5% |
| Median age | 41.5 years | |
Race & ethnicity
White
94.3%
Two or more races
1.9%
Hispanic or Latino
1.6%
Black or African American
0.8%
Asian
0.7%
Other race
0.5%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 18,153 | 94.3% |
| Two or more races | 362 | 1.9% |
| Hispanic or Latino | 300 | 1.6% |
| Black or African American | 163 | 0.8% |
| Asian | 131 | 0.7% |
| Other race | 91 | 0.5% |
| American Indian / Alaska Native | 54 | 0.3% |
Household income
Under $10k
2.0%
$10k–$15k
1.4%
$15k–$25k
4.7%
$25k–$35k
8.1%
$35k–$50k
13.8%
$50k–$75k
19.6%
$75k–$100k
19.3%
$100k–$150k
21.1%
$150k–$200k
4.4%
$200k+
5.6%
| Range | % of households |
|---|---|
| Under $10k | 2.0% |
| $10k–$15k | 1.4% |
| $15k–$25k | 4.7% |
| $25k–$35k | 8.1% |
| $35k–$50k | 13.8% |
| $50k–$75k | 19.6% |
| $75k–$100k | 19.3% |
| $100k–$150k | 21.1% |
| $150k–$200k | 4.4% |
| $200k+ | 5.6% |
| Median income | $68,175 |
Housing
Home values
Under $50k
5.8%
$50k–$100k
14.0%
$100k–$150k
15.5%
$150k–$200k
10.5%
$200k–$300k
26.5%
$300k–$500k
20.9%
$500k–$1M
4.9%
$1M+
2.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $208,317 |
| Median rent / month | $772 |
| Owner occupied | 83.2% |
| Renter occupied | 16.8% |
| Vacant | 8.9% |
| Single-family detached | 86.7% |
| Large apartment buildings | 0.7% |
| Mobile homes | 4.6% |
| Median rooms | 6.6 |
| Avg household size (owned) | 2.35 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 3.9% |
| 2000–2009 | 10.6% |
| 1990–1999 | 10.4% |
| 1980–1989 | 5.9% |
| 1970–1979 | 6.5% |
| 1960–1969 | 6.4% |
| 1950–1959 | 8.2% |
| 1940–1949 | 5.6% |
| 1939 or earlier | 42.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.8% |
| 1 bedroom | 5.0% |
| 2 bedrooms | 17.5% |
| 3 bedrooms | 43.3% |
| 4 bedrooms | 24.9% |
| 5+ bedrooms | 8.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.6% |
| 1 vehicle | 19.7% |
| 2 vehicles | 41.1% |
| 3 or more | 37.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 31.6% |
| Electricity | 10.7% |
| Propane / LP gas | 45.3% |
| Fuel oil | 3.3% |
| Wood | 6.4% |
| Solar | 0.7% |
| No fuel used | 0.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,202 | 58.6% |
| Cohabiting couple | 369 | 4.0% |
| Male householder, no spouse | 1,442 | 20.4% |
| Female householder, no spouse | 1,614 | 17.0% |
| Households with children under 18 | 1,993 | 27.9% |
| Households with seniors (65+) | 2,719 | 29.9% |
| Average household size | 2.30 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 26.1% | 22.0% |
| Married | 59.4% | 63.7% |
| Separated | 0.1% | 0.5% |
| Widowed | 3.6% | 8.1% |
| Divorced | 10.8% | 5.8% |
Education
Less than 9th grade
1.6%
Some HS, no diploma
3.0%
HS graduate
42.1%
Some college, no degree
15.7%
Associate's degree
17.2%
Bachelor's degree
15.0%
Graduate / professional
5.4%
| Metric | % |
|---|---|
| HS diploma or higher | 95.4% |
| Bachelor's or higher | 20.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 364 | 6.9% |
| Kindergarten | 192 | 5.0% |
| Elementary school | 1,469 | 39.2% |
| High school | 915 | 29.4% |
| College / grad school | 2,241 | 19.6% |
Employment
Industry of employment
Education & healthcare
23.8%
Manufacturing
17.4%
Retail trade
12.5%
Agriculture & mining
12.0%
Construction
10.7%
Arts, food & hospitality
4.2%
Professional & management
3.7%
Wholesale trade
3.6%
Transportation & utilities
3.3%
Information
3.1%
Other services
2.0%
Finance & real estate
2.0%
Public administration
1.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 35.9% |
| Service | 12.6% |
| Sales & office | 12.4% |
| Natural resources & construction | 16.5% |
| Production & transportation | 22.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.6% |
| Government | 11.4% |
| Self-employed | 16.4% |
| Unpaid family workers | 0.7% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.2% |
| Carpool | 4.2% |
| Public transit | 0.1% |
| Walk | 6.5% |
| Other means | 0.8% |
| Avg commute (minutes) | 20.3 |
Poverty
All people
4.8%
Under 18 years
5.7%
18 and over
4.7%
Married-couple families
2.6%
Female-led households
3.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 31.6% |
| Retirement income | 17.6% |
| Supplemental Security | 6.9% |
| Cash public assistance | 2.1% |
| Food stamps / SNAP | 3.7% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 31.1% |
| High cholesterol | 32.5% |
| Heart disease | 6.5% |
| Stroke | 2.9% |
| Asthma | 9.1% |
| Arthritis | 24.6% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.3% |
| Cancer | 7.1% |
| Behavior / access | % |
|---|---|
| Binge drinking | 22.8% |
| No physical activity | 22.4% |
| Less than 7 hrs sleep | 28.6% |
| Fair or poor health | 11.5% |
| Poor mental health | 12.9% |
| Poor physical health | 9.0% |
| No health insurance | 9.0% |
| Visited doctor (checkup) | 74.5% |
| Visited dentist | 71.9% |
| Cholesterol screening | 88.5% |
| Teeth loss | 11.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,046 | 6.5% |
| Disability | % |
|---|---|
| Any disability | 12.7% |
| Under 18 | 1.7% |
| 18–64 years | 11.7% |
| 65 and over | 27.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 82.3% |
| Public insurance | 31.9% |
| Uninsured under 19 | 1.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 17,982 | 93.8% |
| Spanish | 142 | 1.1% |
| Other Indo-European | 72 | 0.9% |
| Asian & Pacific Islander | 35 | 0.1% |
| Other languages | 30 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 18,601 | 98.5% |
| Born in same state | 18,563 | 98.3% |
| Born in different state | 13,216 | 79.9% |
| Foreign born | 38 | 0.1% |
| Naturalized citizen | 354 | 1.6% |
| Not a US citizen | 131 | 38.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 4,819 | 25.4% |
| Italian | 2,281 | 12% |
| French | 1,461 | 7.7% |
| Arab | 680 | 3.6% |
| Dutch | 305 | 1.6% |
| Ancestry | Count | % |
|---|---|---|
| English | 170 | 0.9% |
| German | 34 | 0.2% |
| Irish | 7 | 0% |
| Norwegian | 5 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.2% |
| Internet access | 91.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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