51578 ZIP Code — Westphalia, IA
Shelby County, Iowa
ZIP code 51578 is located in Westphalia, Iowa, within Shelby County. It covers approximately 0.07 square miles and serves a population of 142 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.
142
population
0.07
sq mi land
Standard
ZIP type
Central (CT)
timezone
51578 ZIP code map
Cities in ZIP code 51578
Below are the cities the US Postal Service accepts for ZIP code 51578. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Westphalia | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 142 |
| Population density | 2,029 / sq mi |
| State FIPS | 19 |
| County FIPS | 165 |
| Geography | |
|---|---|
| Land area | 0.07 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 41.6963 |
| Longitude | -95.3927 |
| Timezone | Central (CT) |
| Area code | 712 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 22.5% | 43.2% | 40.1% |
| $50k – $100k | 35.0% | 31.4% | 33.4% |
| $100k – $200k | 35.0% | 20.5% | 21.5% |
| Over $200k | 7.5% | 4.8% | 5.0% |
Demographics & statistics
142
Population
2,029
People per sq mi
58.1
Median age
$103,182
Median household income
$45,208
Per capita income
$93,900
Median home value
$475
Median monthly rent
87.9%
Home ownership
4.9%
Poverty rate
0.0%
Unemployment
55
Housing units
3.5%
Bachelor's or higher
Age distribution
Male
Female
7
10–14
9
3
15–19
5
1
20–24
2
7
25–34
11
8
45–54
11
6
55–59
9
9
60–64
13
4
65–74
7
11
75–84
15
2
85+
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 16 | 11.3% |
| 18 and over | 126 | 88.7% |
| 65 and over | 41 | 28.9% |
| Median age | 58.1 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 142 | 100% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 22.5% | 43.2% | 40.1% |
| $50k – $100k | 35.0% | 31.4% | 33.4% |
| $100k – $200k | 35.0% | 20.5% | 21.5% |
| Over $200k | 7.5% | 4.8% | 5.0% |
$10k–$15k
3.4%
$15k–$25k
10.3%
$35k–$50k
5.2%
$50k–$75k
10.3%
$75k–$100k
15.5%
$100k–$150k
29.3%
$150k–$200k
15.5%
$200k+
10.3%
| Range | % of households |
|---|---|
| $10k–$15k | 3.4% |
| $15k–$25k | 10.3% |
| $35k–$50k | 5.2% |
| $50k–$75k | 10.3% |
| $75k–$100k | 15.5% |
| $100k–$150k | 29.3% |
| $150k–$200k | 15.5% |
| $200k+ | 10.3% |
| Median income | $103,182 |
Housing
Home values
Under $50k
2.0%
$50k–$100k
58.8%
$100k–$150k
35.3%
$500k–$1M
3.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $93,900 |
| Median rent / month | $475 |
| Owner occupied | 87.9% |
| Renter occupied | 12.1% |
| Vacant | 6.5% |
| Single-family detached | 74.2% |
| Large apartment buildings | 0.0% |
| Mobile homes | 17.7% |
| Median rooms | 10.0 |
| Avg household size (owned) | 2.61 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 4.8% |
| 1980–1989 | 0.0% |
| 1970–1979 | 29.0% |
| 1960–1969 | 6.5% |
| 1950–1959 | 9.7% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 50.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 4.8% |
| 2 bedrooms | 4.8% |
| 3 bedrooms | 64.5% |
| 4 bedrooms | 22.6% |
| 5+ bedrooms | 3.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 8.6% |
| 2 vehicles | 51.7% |
| 3 or more | 39.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 44.8% |
| Propane / LP gas | 55.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 43 | 74.1% |
| Cohabiting couple | 3 | 5.2% |
| Male householder, no spouse | 3 | 5.2% |
| Female householder, no spouse | 9 | 15.5% |
| Households with children under 18 | 12 | 20.7% |
| Households with seniors (65+) | 25 | 43.1% |
| Average household size | 2.45 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 18.9% | 24.7% |
| Married | 69.8% | 60.3% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 8.2% |
| Divorced | 11.3% | 6.8% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
5.2%
HS graduate
47.8%
Some college, no degree
35.7%
Associate's degree
7.8%
Bachelor's degree
3.5%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 94.8% |
| Bachelor's or higher | 3.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 16 | 57.1% |
| High school | 4 | 14.3% |
| College / grad school | 8 | 28.6% |
Employment
Industry of employment
Manufacturing
27.5%
Education & healthcare
18.7%
Retail trade
12.1%
Construction
11.0%
Agriculture & mining
6.6%
Transportation & utilities
5.5%
Other services
5.5%
Finance & real estate
4.4%
Professional & management
3.3%
Public administration
3.3%
Information
2.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 22.0% |
| Service | 20.9% |
| Sales & office | 12.1% |
| Natural resources & construction | 9.9% |
| Production & transportation | 35.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 90.1% |
| Government | 8.8% |
| Self-employed | 1.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 96.7% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 1.1% |
| Work from home | 2.2% |
| Other means | 0.0% |
| Avg commute (minutes) | 16.4 |
Poverty
All people
4.9%
Under 18 years
12.5%
18 and over
4.0%
Married-couple families
0.0%
Female-led households
40.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 48.3% |
| Retirement income | 8.6% |
| Supplemental Security | 3.4% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 5.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 40.6% |
| High blood pressure | 36.1% |
| High cholesterol | 35.9% |
| Diabetes | 10.6% |
| Heart disease | 6.8% |
| Stroke | 3.1% |
| Asthma | 9.0% |
| Arthritis | 26.9% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.4% |
| Cancer | 7.7% |
| Behavior / access | % |
|---|---|
| Smoking | 17.8% |
| Binge drinking | 21.5% |
| No physical activity | 25.2% |
| Less than 7 hrs sleep | 30.4% |
| Depression | 16.9% |
| Fair or poor health | 13.0% |
| Poor mental health | 12.5% |
| Poor physical health | 10.0% |
| No health insurance | 10.7% |
| Visited doctor (checkup) | 74.7% |
| Visited dentist | 69.2% |
| Cholesterol screening | 89.3% |
| Teeth loss | 12.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 5 | 4.0% |
| Disability | % |
|---|---|
| Any disability | 19.7% |
| Under 18 | 12.5% |
| 18–64 years | 2.4% |
| 65 and over | 58.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 55.6% |
| Public insurance | 46.5% |
| No insurance | 8.5% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 142 | 100.0% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 142 | 100.0% |
| Born in same state | 142 | 100.0% |
| Born in different state | 111 | 78.2% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 12 | 8.5% |
| French | 4 | 2.8% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 2 | 1.4% |
| Arab | 1 | 0.7% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.8% |
| Internet access | 93.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51578
What city is ZIP code 51578 in?
ZIP code 51578 is primarily assigned to Westphalia, Iowa.
What county is ZIP code 51578 in?
ZIP code 51578 falls within Shelby County, Iowa.
How educated is the population of ZIP code 51578?
4% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Does ZIP code 51578 have an older population?
29% of residents in ZIP code 51578 are 65 or older, above the national average of ~17%.
Is ZIP code 51578 mostly owner-occupied?
88% of occupied units in ZIP code 51578 are owner-occupied, well above the national average.
Does ZIP code 51578 have a large retiree population?
48% of households in ZIP code 51578 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 51578 in?
ZIP code 51578 observes the CST timezone.