51576 ZIP Code — Underwood, IA
Pottawattamie County, Iowa
ZIP code 51576 is located in Underwood, Iowa, within Pottawattamie County. It covers approximately 46.34 square miles and serves a population of 1,960 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.
About ZIP code 51576
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $291,700. Owner-occupancy is high at 92%, well above the national average.
Median household income is $106,131. The poverty rate of 2% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
1,960
population
46.34
sq mi land
Standard
ZIP type
Central (CT)
timezone
51576 ZIP code map
Cities in ZIP code 51576
Below are the cities the US Postal Service accepts for ZIP code 51576. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Underwood | Preferred |
Nearby ZIP codes
51559 Neola (5.4 mi)
51553 Minden (8.6 mi)
51526 Crescent (9.8 mi)
51503 Council Bluffs (10.1 mi)
68110 Omaha (11.1 mi)
51575 Treynor (11.9 mi)
68112 Omaha (12.9 mi)
51501 Council Bluffs (13.6 mi)
51563 Persia (14 mi)
68102 Omaha (14.2 mi)
68175 Omaha (14.7 mi)
68172 Omaha (14.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 1,960 |
| Population density | 42 / sq mi |
| State FIPS | 19 |
| County FIPS | 155 |
| Geography | |
|---|---|
| Land area | 46.34 sq mi |
| Water area | 0.21 sq mi |
| Latitude | 41.3837 |
| Longitude | -95.7081 |
| 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 | 18.1% | 41.8% | 40.1% |
| $50k – $100k | 32.9% | 33.7% | 33.4% |
| $100k – $200k | 42.1% | 20.6% | 21.5% |
| Over $200k | 6.9% | 3.9% | 5.0% |
Demographics & statistics
1,960
Population
42
People per sq mi
38.5
Median age
$106,131
Median household income
$45,381
Per capita income
$291,700
Median home value
$840
Median monthly rent
92.1%
Home ownership
2.3%
Poverty rate
0.7%
Unemployment
693
Housing units
28.8%
Bachelor's or higher
Age distribution
Male
Female
61
Under 5
65
67
5–9
71
77
10–14
82
86
15–19
91
29
20–24
31
122
25–34
129
97
35–44
103
144
45–54
154
63
55–59
67
59
60–64
62
65
65–74
70
76
75–84
81
4
85+
4
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 540 | 27.6% |
| 18 and over | 1,420 | 72.4% |
| 65 and over | 300 | 15.3% |
| Median age | 38.5 years | |
Race & ethnicity
White
92.7%
Two or more races
6.1%
Black or African American
1%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 1,817 | 92.7% |
| Two or more races | 119 | 6.1% |
| Black or African American | 20 | 1% |
| American Indian / Alaska Native | 4 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 18.1% | 41.8% | 40.1% |
| $50k – $100k | 32.9% | 33.7% | 33.4% |
| $100k – $200k | 42.1% | 20.6% | 21.5% |
| Over $200k | 6.9% | 3.9% | 5.0% |
Under $10k
2.4%
$10k–$15k
0.3%
$15k–$25k
3.5%
$25k–$35k
1.6%
$35k–$50k
7.4%
$50k–$75k
13.8%
$75k–$100k
18.4%
$100k–$150k
22.7%
$150k–$200k
11.1%
$200k+
18.9%
| Range | % of households |
|---|---|
| Under $10k | 2.4% |
| $10k–$15k | 0.3% |
| $15k–$25k | 3.5% |
| $25k–$35k | 1.6% |
| $35k–$50k | 7.4% |
| $50k–$75k | 13.8% |
| $75k–$100k | 18.4% |
| $100k–$150k | 22.7% |
| $150k–$200k | 11.1% |
| $200k+ | 18.9% |
| Median income | $106,131 |
Housing
Home values
Under $50k
1.2%
$50k–$100k
2.3%
$100k–$150k
8.3%
$150k–$200k
13.9%
$200k–$300k
26.2%
$300k–$500k
36.7%
$500k–$1M
10.8%
$1M+
0.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $291,700 |
| Median rent / month | $840 |
| Owner occupied | 92.1% |
| Renter occupied | 7.9% |
| Vacant | 5.9% |
| Single-family detached | 94.4% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.5 |
| Avg household size (owned) | 2.86 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 13.1% |
| 2000–2009 | 21.6% |
| 1990–1999 | 11.5% |
| 1980–1989 | 6.4% |
| 1970–1979 | 17.2% |
| 1960–1969 | 5.1% |
| 1950–1959 | 4.4% |
| 1940–1949 | 3.6% |
| 1939 or earlier | 17.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 3.5% |
| 2 bedrooms | 18.0% |
| 3 bedrooms | 49.7% |
| 4 bedrooms | 22.7% |
| 5+ bedrooms | 6.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.1% |
| 1 vehicle | 24.1% |
| 2 vehicles | 27.8% |
| 3 or more | 47.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 37.0% |
| Electricity | 21.7% |
| Propane / LP gas | 37.4% |
| Fuel oil | 2.1% |
| Wood | 0.6% |
| No fuel used | 1.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 500 | 70.9% |
| Cohabiting couple | 21 | 3.0% |
| Male householder, no spouse | 65 | 9.2% |
| Female householder, no spouse | 119 | 16.9% |
| Households with children under 18 | 235 | 33.3% |
| Households with seniors (65+) | 190 | 27.0% |
| Average household size | 2.78 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 20.9% | 26.6% |
| Married | 72.3% | 60.6% |
| Separated | 0.7% | 0.2% |
| Widowed | 0.6% | 5.7% |
| Divorced | 5.6% | 6.8% |
Education
Less than 9th grade
4.2%
Some HS, no diploma
1.0%
HS graduate
29.2%
Some college, no degree
23.1%
Associate's degree
13.7%
Bachelor's degree
18.1%
Graduate / professional
10.8%
| Metric | % |
|---|---|
| HS diploma or higher | 94.8% |
| Bachelor's or higher | 28.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 11 | 2.4% |
| Kindergarten | 22 | 4.7% |
| Elementary school | 201 | 43.2% |
| High school | 167 | 35.9% |
| College / grad school | 64 | 13.8% |
Employment
Industry of employment
Education & healthcare
32.8%
Construction
12.4%
Transportation & utilities
8.5%
Manufacturing
7.9%
Retail trade
7.4%
Finance & real estate
7.2%
Professional & management
4.5%
Other services
4.4%
Public administration
4.4%
Arts, food & hospitality
4.1%
Agriculture & mining
3.5%
Wholesale trade
2.2%
Information
1.0%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 38.7% |
| Service | 22.5% |
| Sales & office | 17.9% |
| Natural resources & construction | 13.6% |
| Production & transportation | 7.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 72.5% |
| Government | 19.4% |
| Self-employed | 8.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.2% |
| Carpool | 10.3% |
| Public transit | 0.0% |
| Walk | 1.3% |
| Work from home | 4.9% |
| Other means | 2.3% |
| Avg commute (minutes) | 25.1 |
Poverty
All people
2.3%
Under 18 years
2.1%
18 and over
2.4%
Married-couple families
2.6%
Female-led households
8.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.4% |
| Retirement income | 27.9% |
| Supplemental Security | 2.1% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 1.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 38.2% |
| High blood pressure | 29.4% |
| High cholesterol | 30.1% |
| Diabetes | 8.0% |
| Heart disease | 4.9% |
| Stroke | 2.2% |
| Asthma | 9.3% |
| Arthritis | 22.9% |
| Kidney disease | 2.2% |
| Pulmonary disease | 5.2% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Smoking | 17.2% |
| Binge drinking | 23.8% |
| No physical activity | 21.2% |
| Less than 7 hrs sleep | 31.2% |
| Depression | 20.2% |
| Fair or poor health | 9.6% |
| Poor mental health | 13.3% |
| Poor physical health | 7.8% |
| No health insurance | 7.7% |
| Visited doctor (checkup) | 73.3% |
| Visited dentist | 69.9% |
| Cholesterol screening | 89.2% |
| Teeth loss | 8.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 145 | 10.2% |
| Disability | % |
|---|---|
| Any disability | 5.7% |
| Under 18 | 2.4% |
| 18–64 years | 3.5% |
| 65 and over | 20.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 88.4% |
| Public insurance | 24.2% |
| No insurance | 1.1% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 1,834 | 93.6% |
| Spanish | 3 | 0.2% |
| Other Indo-European | 3 | 0.2% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 1,945 | 99.2% |
| Born in same state | 1,943 | 99.1% |
| Born in different state | 1,176 | 60.0% |
| Foreign born | 2 | 0.1% |
| Naturalized citizen | 15 | 0.8% |
| Not a US citizen | 3 | 20.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Dutch | 347 | 17.7% |
| French | 212 | 10.8% |
| Italian | 184 | 9.4% |
| Polish | 57 | 2.9% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 49 | 2.5% |
| English | 45 | 2.3% |
| German | 6 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 36.0% |
| Internet access | 91.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51576
What city is ZIP code 51576 in?
ZIP code 51576 is primarily assigned to Underwood, Iowa.
What county is ZIP code 51576 in?
ZIP code 51576 falls within Pottawattamie County, Iowa.
Is ZIP code 51576 mostly owner-occupied?
92% of occupied units in ZIP code 51576 are owner-occupied, well above the national average.
Does ZIP code 51576 have a large veteran population?
10% of civilians in ZIP code 51576 are veterans, above the national average of ~7%.
What is the median household income in ZIP code 51576?
The median household income in ZIP code 51576 is $106,131, above the national median of ~$75,000.
What is the population of ZIP code 51576?
ZIP code 51576 has an estimated population of 1,960 residents, with a density of 42 people per square mile.
What timezone is ZIP code 51576 in?
ZIP code 51576 observes the CST timezone.