Clay County, IA ZIP Codes
Iowa (IA) · 9 ZIP codes · 9 cities
9
ZIP codes
16,440
population (2021)
-1.4%
pop change since 2010
19041
FIPS code
Clay County ZIP code map
About Clay County
Clay County is located in Iowa and contains 9 ZIP codes across 9 cities and communities.
The county's population was 16,440 as of 2021,
a decrease of
1.4% from 16,667 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Clay County is 19041.
| Population | |
|---|---|
| 2021 population | 16,440 |
| 2010 population | 16,667 |
| Change | -1.4% |
| County details | |
|---|---|
| State | Iowa |
| FIPS code | 19041 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Clay County
ZIP codes for Clay County, IA (9)
| ZIP code | City | County | Map |
|---|---|---|---|
| 51047 | Peterson | Clay | View map |
| 51301 | Spencer | Clay | View map |
| 51333 | Dickens | Clay | View map |
| 51338 | Everly | Clay | View map |
| 51340 | Fostoria | Clay | View map |
| 51341 | Gillett Grove | Clay | View map |
| 51343 | Greenville | Clay | View map |
| 51357 | Royal | Clay | View map |
| 51366 | Webb | Clay | View map |
Demographics & statistics
15,674
Population
41.6
Median age
$62,313
Median household income
$36,674
Per capita income
$137,086
Median home value
$548
Median monthly rent
80.9%
Home ownership
6.2%
Poverty rate
1.8%
Unemployment
5,816
Housing units
20.8%
Bachelor's or higher
Age distribution
Male
Female
522
Under 5
433
510
5–9
422
621
10–14
514
508
15–19
421
525
20–24
435
884
25–34
732
1,003
35–44
830
951
45–54
788
487
55–59
404
716
60–64
593
996
65–74
824
583
75–84
482
268
85+
222
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,616 | 24.1% |
| 18 and over | 12,058 | 75.9% |
| 65 and over | 3,375 | 20.3% |
| Median age | 41.6 years | |
Race & ethnicity
White
92.4%
Two or more races
3.4%
Hispanic or Latino
2.3%
Other race
0.9%
Black or African American
0.5%
Asian
0.3%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 14,816 | 92.4% |
| Two or more races | 548 | 3.4% |
| Hispanic or Latino | 365 | 2.3% |
| Other race | 152 | 0.9% |
| Black or African American | 77 | 0.5% |
| Asian | 56 | 0.3% |
| American Indian / Alaska Native | 25 | 0.2% |
Household income
Under $10k
2.7%
$10k–$15k
1.9%
$15k–$25k
10.0%
$25k–$35k
7.6%
$35k–$50k
11.5%
$50k–$75k
17.5%
$75k–$100k
13.6%
$100k–$150k
20.2%
$150k–$200k
6.8%
$200k+
8.1%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 1.9% |
| $15k–$25k | 10.0% |
| $25k–$35k | 7.6% |
| $35k–$50k | 11.5% |
| $50k–$75k | 17.5% |
| $75k–$100k | 13.6% |
| $100k–$150k | 20.2% |
| $150k–$200k | 6.8% |
| $200k+ | 8.1% |
| Median income | $62,313 |
Housing
Home values
Under $50k
12.9%
$50k–$100k
25.1%
$100k–$150k
17.8%
$150k–$200k
11.3%
$200k–$300k
17.5%
$300k–$500k
12.1%
$500k–$1M
3.2%
$1M+
0.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $137,086 |
| Median rent / month | $548 |
| Owner occupied | 80.9% |
| Renter occupied | 19.1% |
| Vacant | 15.6% |
| Single-family detached | 90.6% |
| Large apartment buildings | 1.4% |
| Mobile homes | 2.1% |
| Median rooms | 6.6 |
| Avg household size (owned) | 2.56 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 4.1% |
| 2000–2009 | 4.2% |
| 1990–1999 | 5.8% |
| 1980–1989 | 7.1% |
| 1970–1979 | 15.8% |
| 1960–1969 | 8.4% |
| 1950–1959 | 6.3% |
| 1940–1949 | 7.4% |
| 1939 or earlier | 40.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.2% |
| 1 bedroom | 5.3% |
| 2 bedrooms | 23.6% |
| 3 bedrooms | 41.5% |
| 4 bedrooms | 22.6% |
| 5+ bedrooms | 6.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.0% |
| 1 vehicle | 23.2% |
| 2 vehicles | 36.0% |
| 3 or more | 38.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 31.7% |
| Electricity | 22.7% |
| Propane / LP gas | 39.3% |
| Fuel oil | 1.4% |
| Wood | 2.4% |
| No fuel used | 1.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,034 | 56.3% |
| Cohabiting couple | 463 | 6.0% |
| Male householder, no spouse | 1,482 | 20.2% |
| Female householder, no spouse | 1,952 | 17.5% |
| Households with children under 18 | 1,696 | 24.3% |
| Households with seniors (65+) | 2,249 | 34.8% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 27.8% | 21.2% |
| Married | 57.0% | 60.4% |
| Separated | 1.0% | 0.2% |
| Widowed | 2.6% | 9.4% |
| Divorced | 11.6% | 8.9% |
Education
Less than 9th grade
2.3%
Some HS, no diploma
5.6%
HS graduate
31.3%
Some college, no degree
21.1%
Associate's degree
18.9%
Bachelor's degree
15.4%
Graduate / professional
5.4%
| Metric | % |
|---|---|
| HS diploma or higher | 92.1% |
| Bachelor's or higher | 20.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 270 | 12.4% |
| Kindergarten | 321 | 6.7% |
| Elementary school | 1,478 | 40.6% |
| High school | 823 | 27.0% |
| College / grad school | 622 | 13.2% |
Employment
Industry of employment
Education & healthcare
19.5%
Agriculture & mining
15.6%
Manufacturing
12.6%
Retail trade
12.0%
Construction
10.4%
Transportation & utilities
7.4%
Professional & management
4.3%
Other services
4.2%
Arts, food & hospitality
3.4%
Wholesale trade
3.1%
Public administration
2.9%
Finance & real estate
2.4%
Information
2.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.0% |
| Service | 11.1% |
| Sales & office | 18.2% |
| Natural resources & construction | 12.0% |
| Production & transportation | 22.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.0% |
| Government | 12.6% |
| Self-employed | 13.2% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.6% |
| Carpool | 11.9% |
| Public transit | 0.2% |
| Walk | 2.6% |
| Other means | 1.0% |
| Avg commute (minutes) | 22.0 |
Poverty
All people
6.2%
Under 18 years
8.6%
18 and over
5.2%
Married-couple families
1.5%
Female-led households
26.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 35.9% |
| Retirement income | 22.6% |
| Supplemental Security | 2.4% |
| Cash public assistance | 2.9% |
| Food stamps / SNAP | 6.4% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 34.1% |
| High cholesterol | 34.8% |
| Heart disease | 7.0% |
| Stroke | 3.2% |
| Asthma | 9.3% |
| Arthritis | 26.9% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.2% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.6% |
| No physical activity | 24.5% |
| Less than 7 hrs sleep | 31.4% |
| Fair or poor health | 13.3% |
| Poor mental health | 13.3% |
| Poor physical health | 10.0% |
| No health insurance | 9.2% |
| Visited doctor (checkup) | 75.0% |
| Visited dentist | 66.1% |
| Cholesterol screening | 89.2% |
| Teeth loss | 12.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,038 | 11.5% |
| Disability | % |
|---|---|
| Any disability | 14.7% |
| Under 18 | 4.7% |
| 18–64 years | 12.0% |
| 65 and over | 35.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 73.3% |
| Public insurance | 36.4% |
| Uninsured under 19 | 1.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 14,719 | 90.5% |
| Spanish | 71 | 0.3% |
| Other Indo-European | 58 | 0.2% |
| Asian & Pacific Islander | 5 | 0.1% |
| Other languages | 8 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 15,509 | 99.2% |
| Born in same state | 15,405 | 98.7% |
| Born in different state | 11,471 | 76.2% |
| Foreign born | 104 | 0.5% |
| Naturalized citizen | 165 | 0.8% |
| Not a US citizen | 81 | 32.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,737 | 11.1% |
| Polish | 1,619 | 10.3% |
| French | 1,000 | 6.4% |
| Dutch | 784 | 5% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 647 | 4.1% |
| English | 568 | 3.6% |
| German | 17 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.8% |
| Internet access | 94.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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