51550 ZIP Code — Magnolia, IA
Harrison County, Iowa
ZIP code 51550 is located in Magnolia, Iowa, within Harrison County. It covers approximately 0.54 square miles and serves a population of 137 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.
137
population
0.54
sq mi land
Standard
ZIP type
Central (CT)
timezone
51550 ZIP code map
Cities in ZIP code 51550
Below are the cities the US Postal Service accepts for ZIP code 51550. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Magnolia | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 137 |
| Population density | 254 / sq mi |
| State FIPS | 19 |
| County FIPS | 085 |
| Geography | |
|---|---|
| Land area | 0.54 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 41.6924 |
| Longitude | -95.8720 |
| 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 | 60.0% | 37.9% | 40.1% |
| $50k – $100k | 24.6% | 35.3% | 33.4% |
| $100k – $200k | 15.4% | 23.0% | 21.5% |
| Over $200k | 0.0% | 3.8% | 5.0% |
Demographics & statistics
137
Population
254
People per sq mi
53.3
Median age
$74,167
Median household income
$38,717
Per capita income
$103,100
Median home value
$0
Median monthly rent
91.4%
Home ownership
1.5%
Poverty rate
1.3%
Unemployment
55
Housing units
11.8%
Bachelor's or higher
Age distribution
Male
Female
2
Under 5
1
3
5–9
3
7
10–14
5
8
15–19
6
10
25–34
8
3
35–44
2
8
45–54
6
13
55–59
9
9
60–64
6
9
65–74
7
6
75–84
5
1
85+
0
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 25 | 18.2% |
| 18 and over | 112 | 81.8% |
| 65 and over | 28 | 20.4% |
| Median age | 53.3 years | |
Race & ethnicity
White
97.8%
Two or more races
2.2%
| Group | Count | % |
|---|---|---|
| White | 134 | 97.8% |
| Two or more races | 3 | 2.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 60.0% | 37.9% | 40.1% |
| $50k – $100k | 24.6% | 35.3% | 33.4% |
| $100k – $200k | 15.4% | 23.0% | 21.5% |
| Over $200k | 0.0% | 3.8% | 5.0% |
$10k–$15k
1.7%
$15k–$25k
6.9%
$25k–$35k
15.5%
$35k–$50k
5.2%
$50k–$75k
24.1%
$75k–$100k
20.7%
$100k–$150k
15.5%
$150k–$200k
1.7%
$200k+
8.6%
| Range | % of households |
|---|---|
| $10k–$15k | 1.7% |
| $15k–$25k | 6.9% |
| $25k–$35k | 15.5% |
| $35k–$50k | 5.2% |
| $50k–$75k | 24.1% |
| $75k–$100k | 20.7% |
| $100k–$150k | 15.5% |
| $150k–$200k | 1.7% |
| $200k+ | 8.6% |
| Median income | $74,167 |
Housing
Home values
Under $50k
22.6%
$50k–$100k
24.5%
$100k–$150k
24.5%
$150k–$200k
17.0%
$200k–$300k
3.8%
$300k–$500k
7.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $103,100 |
| Median rent / month | $0 |
| Owner occupied | 91.4% |
| Renter occupied | 8.6% |
| Vacant | 3.3% |
| Single-family detached | 91.7% |
| Large apartment buildings | 0.0% |
| Mobile homes | 8.3% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.42 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 10.0% |
| 1990–1999 | 1.7% |
| 1980–1989 | 0.0% |
| 1970–1979 | 21.7% |
| 1960–1969 | 5.0% |
| 1950–1959 | 6.7% |
| 1940–1949 | 8.3% |
| 1939 or earlier | 46.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 3.3% |
| 2 bedrooms | 30.0% |
| 3 bedrooms | 50.0% |
| 4 bedrooms | 16.7% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.4% |
| 1 vehicle | 25.9% |
| 2 vehicles | 32.8% |
| 3 or more | 37.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 27.6% |
| Propane / LP gas | 56.9% |
| Wood | 15.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 36 | 62.1% |
| Cohabiting couple | 1 | 1.7% |
| Male householder, no spouse | 8 | 13.8% |
| Female householder, no spouse | 13 | 22.4% |
| Households with children under 18 | 11 | 19.0% |
| Households with seniors (65+) | 22 | 37.9% |
| Average household size | 2.36 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.8% | 4.0% |
| Married | 57.6% | 70.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 9.1% | 10.0% |
| Divorced | 1.5% | 16.0% |
Education
Less than 9th grade
1.0%
Some HS, no diploma
6.9%
HS graduate
39.2%
Some college, no degree
27.5%
Associate's degree
13.7%
Bachelor's degree
7.8%
Graduate / professional
3.9%
| Metric | % |
|---|---|
| HS diploma or higher | 92.2% |
| Bachelor's or higher | 11.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 2 | 7.1% |
| Kindergarten | 2 | 7.1% |
| Elementary school | 5 | 17.9% |
| High school | 9 | 32.1% |
| College / grad school | 10 | 35.7% |
Employment
Industry of employment
Education & healthcare
27.0%
Other services
16.2%
Manufacturing
14.9%
Retail trade
12.2%
Transportation & utilities
10.8%
Public administration
6.8%
Arts, food & hospitality
5.4%
Finance & real estate
4.1%
Construction
2.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 20.3% |
| Service | 10.8% |
| Sales & office | 28.4% |
| Natural resources & construction | 20.3% |
| Production & transportation | 20.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 64.9% |
| Government | 14.9% |
| Self-employed | 20.3% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.7% |
| Carpool | 4.1% |
| Public transit | 0.0% |
| Walk | 2.7% |
| Work from home | 13.5% |
| Other means | 0.0% |
| Avg commute (minutes) | 24.6 |
Poverty
All people
1.5%
Under 18 years
0.0%
18 and over
1.8%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 36.2% |
| Retirement income | 22.4% |
| Supplemental Security | 0.0% |
| Cash public assistance | 3.4% |
| Food stamps / SNAP | 1.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 40.9% |
| High blood pressure | 35.6% |
| High cholesterol | 36.0% |
| Diabetes | 10.6% |
| Heart disease | 7.1% |
| Stroke | 3.3% |
| Asthma | 9.2% |
| Arthritis | 27.3% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.5% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Smoking | 18.5% |
| Binge drinking | 21.4% |
| No physical activity | 25.6% |
| Less than 7 hrs sleep | 31.7% |
| Depression | 18.0% |
| Fair or poor health | 13.6% |
| Poor mental health | 13.0% |
| Poor physical health | 10.3% |
| No health insurance | 8.9% |
| Visited doctor (checkup) | 74.5% |
| Visited dentist | 68.0% |
| Cholesterol screening | 89.3% |
| Teeth loss | 13.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 10 | 8.9% |
| Disability | % |
|---|---|
| Any disability | 8.0% |
| Under 18 | 0.0% |
| 18–64 years | 2.4% |
| 65 and over | 32.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 64.2% |
| Public insurance | 48.9% |
| No insurance | 10.9% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 134 | 97.8% |
| 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) | 137 | 100.0% |
| Born in same state | 137 | 100.0% |
| Born in different state | 83 | 60.6% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 21 | 15.3% |
| Dutch | 15 | 10.9% |
| Arab | 8 | 5.8% |
| Ancestry | Count | % |
|---|---|---|
| English | 6 | 4.4% |
| Italian | 6 | 4.4% |
| Polish | 4 | 2.9% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.3% |
| Internet access | 89.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51550
What city is ZIP code 51550 in?
ZIP code 51550 is primarily assigned to Magnolia, Iowa.
What county is ZIP code 51550 in?
ZIP code 51550 falls within Harrison County, Iowa.
Is ZIP code 51550 mostly owner-occupied?
91% of occupied units in ZIP code 51550 are owner-occupied, well above the national average.
How educated is the population of ZIP code 51550?
12% 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 51550 have a large retiree population?
36% of households in ZIP code 51550 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 51550?
The median home value in ZIP code 51550 is $103,100.
What timezone is ZIP code 51550 in?
ZIP code 51550 observes the CST timezone.