ZIP Code 51577 in Walnut, IA

Data Last Updated: November 1, 2025
City:Walnut, Iowa
Counties:Pottawattamie County[Primary]
Cass County
Shelby County
Timezone:Central (GMT -06:00)
Local Time:7:24:09 PM
Population:1,101 [See All]
Area Code:712
Classification:Standard [Normal Street Delivery]
Coordinates:41.4550, -95.2125
Land Area:83.558 sq mi
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Population & Demographics


ZIP Code 51577 has 1,101 residents and 460 households (average 2.34 persons per household). The median age is 43.9 years, older than the state (38.6) and older than the nation (38.8). The gender split is 51.1% male and 48.9% female, which is slightly higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (95.6%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Hispanic or Latino (2.0%); Hispanic or Latino residents make up 2.0%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:1,101Source: Census DHC
2023 ACS Population Estimate:1,637Source: Census ACS
2025 ZC Population Estimate:547Source: ZIP-Codes.com
Population Density:13.2 people per sq mile
Average Income:$67,928Source: Census ACS
Households:460Source: Census DHC
Average House Value:$112,700Source: Census ACS
Persons Per Household:2.34Source: Census DHC
Average Family Size:2.76Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--1,4411,3081,3161,2471,1861,2101,0871,0841,1381,0849321,3261,637
Decennial Census1,184------------------1,101------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 43.9

Male Median Age: 43.7

Female Median Age: 44.1

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male273442362729412531232836415630211818
Female34373634182934203912343834453828721
Total6171787045587545703562747510168492539
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:1,05396.34%
Black:10.09%
Hispanic:*222.01%
Asian:50.46%
American Indian:30.27%
Hawaiian:00%
Other:90.82%
Total:1,093100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:56351.14%43.7 years
Females:53848.86%44.1 years
Total:1,101100%43.9 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:1,62699.33%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:20.12%
Foreign born, not a U.S. citizen:90.67%
Total Population:1,637100%
Total Native Population:1,62699.33%
Total Foreign-born Population:110.67%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $67,928, which is far less than the national median ($78,538), is up $13,821 (25.5%) since 2011 and above its 2019 pre-pandemic level by $18,622. Family households earn a median of $89,091 versus $35,917 for nonfamily households (a difference of $53,174). By gender, male median income is $49,050 and female is $48,077, which is considerably lower than the national female median ($53,445), with a current gap of $973 that has narrowed from 2011 to 2023. The labor-force participation rate is 38.2%, which is markedly below the state rate (66.5%). The unemployment rate is 5.7%, which is much higher than the state rate (3.6%). The largest occupation group is Management (30.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$54,107$52,381$55,208$53,047$52,390$53,281$53,967$54,286$49,306$51,250$53,393$62,500$67,928
Median Family Income$61,522$61,250$64,773$64,519$72,589$68,750$69,792$74,000$75,167$76,607$82,188$92,738$89,091
Median NonFamily Income$25,250$23,750$24,000$21,786$25,313$22,778$21,944$26,522$36,875$26,429$34,375$36,923$35,917
Median Male Income$48,523$44,833$45,125$49,107$49,688$49,375$48,438$46,250$41,900$41,080$44,200$46,250$49,050
Median Female Income$25,938$33,125$33,558$41,563$37,159$35,469$34,000$36,964$40,156$33,750$32,188$45,833$48,077
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:51035.99%
Unemployed:312.19%
Not In Labor Force:87661.82%
Total:1,417100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:15430.20%
Service:6512.75%
Sales and Office:12223.92%
Natural resources, construction, and maintenance:5911.57%
Production, transportation, and material moving:11021.57%
Total Civilian Employed Population:510100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $112,700, which is far less than the national median ($303,400), is up $18,300 (19.39%) since 2011 and above its 2019 pre-pandemic level by $5,900. The median gross rent is $831, which is far less than the national median ($1,348), is up $168 (25.34%) since 2011 and above its 2019 pre-pandemic level by $43. Of occupied housing, owners make up 76.11% (40.00% with a mortgage, 60.00% free-and-clear) and renters 23.89% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 10.59%, which is markedly above the state rate (8.65%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$94,400$92,400$94,700$96,300$96,800$93,800$97,200$109,400$106,800$112,400$115,500$121,100$112,700
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:76.19%
$500 to $999:8474.34%
$1,000 to $1,499:21.77%
$1,500 to $1,999:32.65%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:1715.04%
Total:113100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$663$683$681$708$735$723$725$865$788$753$813$790$831
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):14430.44%
Owner Occupied (free and clear, no mortgage):21645.67%
Renter Occupied:11323.89%
Total Occupied Housing Units:473100%

Occupied Housing Units:47389.41%
Vacant Housing Units (not graphed):5610.59%
Total Housing Units:529100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:47289.22%
Multi-Family Units:519.64%
Other Units:61.13%
Total Housing Units:529100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 18.50% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 89.90%, which is on par with the state rate (93.20%). The uninsured rate is 5.40%, which is comparable to the national rate (8.60%). The share of people in poverty is 3.50%, which is far lower than the national rate (8.70%), down 4.10 percentage points since 2011 and above its 2019 pre-pandemic level by 1.00 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is high school (51.24%). College enrollment is 3.98%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:543.92%
9th to 12th grade, no diploma:856.18%
High school graduate (includes equivalency):52938.44%
Some college, no degree:21615.70%
Associate's degree:23817.30%
Bachelor's degree:20114.61%
Graduate or professional degree:533.85%
Total:1,376100%
High school or higher:1,23789.90%
Bachelor's degree or higher:25418.46%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:69459.83%
Public Insurance:41135.43%
No Insurance:554.74%
Total:1,160100%
Has Health Insurance:1,10595.26%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty7.6%6.2%4.3%4.1%1.7%2.7%1.8%1.9%2.5%3.9%3.5%2.5%3.5%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:125.97%
Kindergarten:146.97%
Elementary school (grades 1-8):6431.84%
High school (grades 9-12):10351.24%
College or graduate school:83.98%
Total:201100%
Early Childhood:2612.94%
K-12 (Primary & Secondary School):18190.05%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 51577 supports both business and residential activity. According to the Business Census (2023), there are 29 business establishments, employing about 90 people with an annual payroll of $3,117,000. USPS data shows 234 residential mailboxes and 13 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:234Source: USPS
# Business Mailboxes:13Source: USPS
Total Delivery Receptacles:648Source: USPS
Single Family Delivery Units:234Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:29Source: CBP
1st Quarter Payroll:$562,000Source: CBP
Annual Payroll:$3,117,000Source: CBP
# of Employees:90Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 51577 is located in Pottawattamie County, Iowa, within the Omaha, NE-IA Metropolitan Statistical Area (CBSA 36540) and Iowa's 3rd and 4th Congressional Districts. This Metro area has a population of 972,840 people, about 0.11% of whom live in ZIP Code 51577. It covers 83.558 sq mi of land and a water area of 0.024 sq mi.

CBSA Name:Omaha, NE-IASource: Census
CBSA Number:36540Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:972,840Source: Census
MSA:Omaha, NE-IA MSASource: Census
Land Area:83.558 sq miSource: Census
Water Area:0.024 sq miSource: Census
Congressional District:03,04Source: USPS
Congressional Land Area:8789.62, 22756.75 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1982065Source: Census
Place Name:Walnut city; IowaSource: Census

Adjacent & Nearby ZIP Codes


51578 | | 51576

Schools in ZIP Code 51577


We could not locate which school district 51577 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Ahstw Intermediate School 768 S Maple St
Avoca, IA 51521
District: AHSTW Community School DistrictNearby
Ahstw High School 768 S Maple
Avoca, IA 51521
District: AHSTW Community School DistrictNearby
Ahstw Primary School 768 S Maple
Avoca, IA 51521
District: AHSTW Community School DistrictNearby
Riverside Elementary 708 Glass St
Oakland, IA 51560
District: Riverside Community School DistrictNearby
Riverside Community High School 18997 Hwy 59
Oakland, IA 51560
District: Riverside Community School DistrictNearby
Shelby County Catholic School 2005 College Pl
Harlan, IA 51537
District: Private SchoolNearby
St Albert Catholic Schools 400 Gleason Ave
Council Bluffs, IA 51503
District: Private SchoolNearby
Oneschool Global 525 Woodbury Ave
Council Bluffs, IA 51503
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 51577


Iowa Western Community College 2700 College Rd
Council Bluffs, IA 51503-1057
Type: Post Secondary
E Q School Of Hair Design 2600 South 9th St
Council Bluffs, IA 51501
Type: Post Secondary
Universal College Of Healing Arts 8702 North 30th Street
Omaha, NE 68112-1810
Type: Post Secondary
Metropolitan Community College Area 30 & Fort Street
Omaha, NE 68111-1610
Type: Post Secondary
Creighton University 2500 California Plaza
Omaha, NE 68178
Type: Post Secondary
Clarkson College 101 S 42nd St
Omaha, NE 68131-2739
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on November 1, 2025.

  1. U.S. Postal Service [Last Updated: 11/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 11/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 11/1/2025], https://nces.ed.gov