ZIP Code 50531 in Dolliver, IA

Data Last Updated: October 1, 2025
City:Dolliver, Iowa
County:Emmet County
Timezone:Central (GMT -06:00)
Local Time:7:10:21 PM
Population:224 [See All]
Area Code:712
Classification:Standard [Normal Street Delivery]
Coordinates:43.4502, -94.6203
Land Area:38.803 sq mi
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Population & Demographics


ZIP Code 50531 has 224 residents and 101 households (average 2.22 persons per household). The median age is 51.5 years, significantly older than the state (38.6) and significantly older than the nation (38.8). The gender split is 47.3% male and 52.7% female, which is slightly lower than the state male share (49.7%), making this a female-majority area. Largest groups are White (98.2%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Black or African American (0.9%, much lower than the national average of 12.4%); Hispanic or Latino residents make up 0.4%, 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:224Source: Census DHC
2023 ACS Population Estimate:260Source: Census ACS
2025 ZC Population Estimate:150Source: ZIP-Codes.com
Population Density:5.8 people per sq mile
Average Income:$105,375Source: Census ACS
Households:101Source: Census DHC
Average House Value:$128,100Source: Census ACS
Persons Per Household:2.22Source: Census DHC
Average Family Size:2.54Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--295291313286266239235227181212207232260
Decennial Census242------------------224------
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: 51.5

Male Median Age: 53

Female Median Age: 51.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male3119110334432319149314
Female41497223427101112812317
Total7251818256861012143122216211
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:22098.21%
Black:20.89%
Hispanic:*10.45%
Asian:00%
American Indian:10.45%
Hawaiian:00%
Other:00%
Total:224100%
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:10647.32%53.0 years
Females:11852.68%51.5 years
Total:224100%51.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:260100.00%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:00.00%
Total Population:260100%
Total Native Population:260100.00%
Total Foreign-born Population:00.00%
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 $105,375, which is markedly greater than the state median ($73,147), is up $44,750 (73.8%) since 2011 and above its 2019 pre-pandemic level by $105,375. Family households earn a median of $92,143 versus $82,321 for nonfamily households (a difference of $9,822). By gender, male median income is $65,486 and female is $50,909, which is generally lower than the national female median ($53,445), with a current gap of $14,577 that has widened from 2011 to 2023. The labor-force participation rate is 50.2%, which is far less than the state rate (66.5%). The unemployment rate is 0.0%, which is markedly below the national rate (5.2%). The largest occupation group is Production (50.8%).

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$60,625$63,750$69,107$73,125$72,500$74,659$81,250$102,813$0$0$56,458$78,036$105,375
Median Family Income$73,571$73,594$76,563$76,875$77,083$72,143$74,375$96,250$66,875$48,750$60,833$0$92,143
Median NonFamily Income$23,750$13,125$20,625$33,333$0$250,001$0$0$250,001$0$0$78,750$82,321
Median Male Income$40,625$51,667$53,542$52,292$0$45,938$0$30,500$60,893$63,958$61,250$64,464$65,486
Median Female Income$38,214$40,833$44,219$27,438$0$38,224$37,969$27,159$40,486$40,481$34,250$48,021$50,909
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:12050.21%
Unemployed:00.00%
Not In Labor Force:11949.79%
Total:239100%
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:1411.67%
Service:65.00%
Sales and Office:1210.00%
Natural resources, construction, and maintenance:2722.50%
Production, transportation, and material moving:6150.83%
Total Civilian Employed Population:120100%
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 $128,100, which is well under the national median ($303,400), is up $51,100 (66.36%) since 2011 and above its 2019 pre-pandemic level by $18,000. The median gross rent is $0, which is far less than the state median ($949), is down $569 (100.00%) since 2011 and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 99.20% (33.06% with a mortgage, 66.94% free-and-clear) and renters 0.80% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 27.75%, 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$77,000$95,700$102,200$101,000$104,400$110,900$106,100$101,700$110,100$110,500$100,500$127,400$128,100
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:00.00%
$1,000 to $1,499:00.00%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:1100.00%
Total:1100%
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$569$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):4132.80%
Owner Occupied (free and clear, no mortgage):8366.40%
Renter Occupied:10.80%
Total Occupied Housing Units:125100%

Occupied Housing Units:12572.25%
Vacant Housing Units (not graphed):4827.75%
Total Housing Units:173100%
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:17299.42%
Multi-Family Units:00.00%
Other Units:10.58%
Total Housing Units:173100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 8.70% 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 98.30%, which is far higher than the national rate (89.40%). The uninsured rate is 0.00%, which is comparable to the national rate (8.60%). Private coverage is 86.50%, which is well above the national rate (67.30%). Public coverage is 51.50%, which is well above the national rate (36.30%). The share of people in poverty is 15.90%, which is on par with the state rate (6.90%), up 15.90 percentage points since 2011 and below its 2019 pre-pandemic level by 0.40 percentage points. This signals a sharp increase in hardship - a shrinking consumer base, heavy pressure on public services, and job-market contraction risks. Among residents ages 3+, the largest enrollment group is elementary (42.86%). College enrollment is 35.71%, which is on par with the state rate (25.40%), meaning the community mirrors broader higher-education participation.

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:10.43%
9th to 12th grade, no diploma:31.30%
High school graduate (includes equivalency):10545.65%
Some college, no degree:3716.09%
Associate's degree:6427.83%
Bachelor's degree:135.65%
Graduate or professional degree:73.04%
Total:230100%
High school or higher:22698.26%
Bachelor's degree or higher:208.70%
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:22562.67%
Public Insurance:13437.33%
No Insurance:00.00%
Total:359100%
Has Health Insurance:359100.00%
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 Poverty0.0%0.0%0.9%0.9%2.1%7.6%5.9%1.5%16.3%34.0%25.7%24.7%15.9%
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:27.14%
Kindergarten:27.14%
Elementary school (grades 1-8):1242.86%
High school (grades 9-12):27.14%
College or graduate school:1035.71%
Total:28100%
Early Childhood:414.29%
K-12 (Primary & Secondary School):1657.14%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 50531 supports both business and residential activity. According to the Business Census (2023), there are 3 business establishments, employing about 10 people with an annual payroll of $610,000. USPS data shows 68 residential mailboxes and 0 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:68Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:107Source: USPS
Single Family Delivery Units:68Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:3Source: CBP
1st Quarter Payroll:$113,000Source: CBP
Annual Payroll:$610,000Source: CBP
# of Employees:10Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 50531 is located in Emmet County, Iowa, within the Metropolitan Statistical Area (CBSA ) and Iowa's 4th Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 50531. It covers 38.803 sq mi of land and a water area of 1.464 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:38.803 sq miSource: Census
Water Area:1.464 sq miSource: Census
Congressional District:04Source: USPS
Congressional Land Area:22756.75 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1921675Source: Census
Place Name:Dolliver city; IowaSource: Census

Adjacent & Nearby ZIP Codes


50532 | | 50530

Schools in ZIP Code 50531


We could not locate which school district 50531 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.

North Union High School 600 4th Ave
Armstrong, IA 50514
District: North Union Community School DistrictNearby
Demoney Elementary 109 S 17th Street
Estherville, IA 51334
District: Estherville Lincoln Central Community School DistrictNearby
Estherville Lincoln Central High School 1520 Central Ave
Estherville, IA 51334
District: Estherville Lincoln Central Community School DistrictNearby
Estherville Lincoln Central Middle School 1430 1st Ave. S.
Estherville, IA 51334
District: Estherville Lincoln Central Community School DistrictNearby
Emmetsburg Catholic School 1903 Broadway St
Emmetsburg, IA 50536
District: Private SchoolNearby
Iowa Great Lakes Lutheran School 1311 E 18th St
Spencer, IA 51301
District: Private SchoolNearby
Seton Grade School 808 E Lucas St
Algona, IA 50511
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 50531


Iowa Lakes Community College 19 S 7th St
Estherville, IA 51334-2295
Type: Post Secondary
Faust Institute Of Cosmetology-Spirit Lake 1543 18th Street
Spirit Lake, IA 51360
Type: Post Secondary
Avalon School Of Cosmetology 1428 N Mcmillan St
Worthington, MN 56187
Type: Post Secondary
Waldorf University 106 S Sixth St
Forest City, IA 50436-1713
Type: Post Secondary
Minnesota State University-Mankato South Rd And Ellis Ave
Mankato, MN 56001
Type: Post Secondary
South Central College 1920 Lee Blvd
North Mankato, MN 56003-1920
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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], 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: 10/1/2025], https://nces.ed.gov