ZIP Code 51341 in Gillett Grove, IA

Data Last Updated: February 1, 2026
City:Gillett Grove, Iowa
County:Clay County
Timezone:Central (GMT -06:00)
Local Time:7:15:37 AM
Population:34 [See All]
Area Code:712
Classification:PO Box
Coordinates:43.0147, -95.0378
Land Area:0.341 sq mi
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51341 - Gillett Grove, IA

ZIP Code 51341, Gillett Grove

Small Town
LocationClay County, IA
Area0.2 sq mi
Population34
Households21
PO Boxes12 (57% adoption)
Median Age46.0 years
ZIP CreatedBefore Oct 2004
Key Facts
  • Gillett Grove has 34 residents living in 21 occupied housing units, with a median age of 46 years.
  • The post office serves the area with 12 PO Boxes and 7 rural carrier route delivery records.
  • About 57% of households use PO Boxes, a balanced rate showing mixed preferences for box versus route delivery.
  • The ZIP code covers just 0.17 square miles, making it one of Iowa's smallest postal zones by area.
  • Street names like Railway St and Milwaukee Ave commemorate the Chicago, Milwaukee, St. Paul and Pacific Railroad.
  • The median household income is $34,197, with a median home value of $62,500.

Railroad Heritage in Street Names

The town's street network is modest but tells a railroad story. Railway St and Milwaukee Ave reference the Chicago, Milwaukee, St. Paul and Pacific Railroad that once connected these small agricultural communities. St Paul St likely honors the same railroad heritage. Seven rural route delivery records serve the broader area, while the numbered grid (2nd St, 3rd St) shows this was once a platted townsite with expectations of growth that never quite materialized. The median household income here is $34,197, and the median home value is $62,500.

Street Name Patterns

Railroad Heritage Numbered Grid

The street names preserve the story of a railroad town. Railway St and Milwaukee Ave honor the Chicago, Milwaukee, St. Paul and Pacific Railroad that connected small Iowa farming communities in the early 20th century. The numbered grid (2nd, 3rd) shows this was platted as a town with room to grow, though it remains tiny today.

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Population & Demographics


ZIP Code 51341 has 34 residents and 21 households (average 1.62 persons per household). The median age is 46.0 years, significantly older than the state (38.6) and significantly older than the nation (38.8). The gender split is 64.7% male and 35.3% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (97.1%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Black or African American (0.0%, much lower than the national average of 12.4%); Hispanic or Latino residents make up 0.0%, 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 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:34Source: Census DHC
2024 ACS Population Estimate:40Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:99.7 people per sq mile
Average Income:$0Source: Census ACS
Households:21Source: Census DHC
Average House Value:$61,000Source: Census ACS
Persons Per Household:1.62Source: Census DHC
Average Family Size:2.73Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--7174726856353425302639393540
Decennial Census49------------------34--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

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


Median Age: 46

Male Median Age: 60.5

Female Median Age: 32

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male001021200220242022
Female011002302100002000
Total012023502320244022
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:33100.00%
Black:00%
Hispanic:*00%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:33100%
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:2264.71%60.5 years
Females:1235.29%32.0 years
Total:34100%46.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:40100.00%
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:40100%
Total Native Population:40100.00%
Total Foreign-born Population:00.00%
Source: U.S. Census 2020-2024 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 2024, the Median household income is $0, which is well under the national median ($80,734), is down $32,500 (100.0%) since 2011 and below its 2019 pre-pandemic level by $25,000. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $80,625 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $80,625 that has widened from 2011 to 2024. The labor-force participation rate is 65.4%, which is edges past the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (70.6%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 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 Type20112012201320142015201620172018201920202021202220232024
Median Household Income$32,500$42,917$25,000$20,000$0$23,214$0$24,375$25,000$46,250$0$0$0$0
Median Family Income$93,000$93,214$89,375$80,000$91,250$43,438$43,958$46,250$46,500$63,750$0$101,250$0$0
Median NonFamily Income$22,500$22,917$19,875$19,500$22,813$22,679$23,281$23,333$23,500$22,500$0$0$0$0
Median Male Income$45,179$45,179$45,208$18,750$0$23,542$24,219$26,429$26,875$0$70,500$76,250$78,750$80,625
Median Female Income$36,000$38,500$0$0$0$0$0$0$0$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:1765.38%
Unemployed:00.00%
Not In Labor Force:934.62%
Total:26100%
Source: U.S. Census 2020-2024 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:1270.59%
Service:00.00%
Sales and Office:00.00%
Natural resources, construction, and maintenance:15.88%
Production, transportation, and material moving:423.53%
Total Civilian Employed Population:17100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $61,000, which is considerably lower than the national median ($332,700), is up $21,700 (55.22%) since 2011 and above its 2019 pre-pandemic level by $21,000. The median gross rent is $0, which is well under the national median ($1,413), is down $385 (100.00%) since 2011 and below its 2019 pre-pandemic level by $475. Insufficient data for owner/renter mix. Insufficient data for vacancy rate.

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

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$39,300$39,300$38,800$35,000$0$37,500$32,500$32,500$40,000$38,800$0$62,900$62,500$61,000
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00%
$500 to $999:00%
$1,000 to $1,499:00%
$1,500 to $1,999:00%
$2,000 to $2,499:00%
$2,500 to $2,999:00%
$3,000 or more:00%
No Rent:00%
Total:0100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$385$383$433$430$525$525$517$556$475$0$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):327.27%
Owner Occupied (free and clear, no mortgage):872.73%
Renter Occupied:00.00%
Total Occupied Housing Units:11100%

Occupied Housing Units:1168.75%
Vacant Housing Units (not graphed):531.25%
Total Housing Units:16100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

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


Single-Family Units:16100.00%
Multi-Family Units:00.00%
Other Units:00.00%
Total Housing Units:16100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 38.50% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 88.50%, which is comparable to the national rate (89.60%). The uninsured rate is 0.00%, which is comparable to the national rate (8.40%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (85.71%). College enrollment is 0.00%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00.00%
9th to 12th grade, no diploma:311.54%
High school graduate (includes equivalency):1038.46%
Some college, no degree:13.85%
Associate's degree:27.69%
Bachelor's degree:1038.46%
Graduate or professional degree:00.00%
Total:26100%
High school or higher:2388.46%
Bachelor's degree or higher:1038.46%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

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


Private Insurance:3175.61%
Public Insurance:1024.39%
No Insurance:00.00%
Total:41100%
Has Health Insurance:41100.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty0.0%0.0%7.7%10.0%16.7%22.2%9.1%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 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:214.29%
Kindergarten:00.00%
Elementary school (grades 1-8):1285.71%
High school (grades 9-12):00.00%
College or graduate school:00.00%
Total:14100%
Early Childhood:214.29%
K-12 (Primary & Secondary School):1285.71%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 51341 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:26Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 51341 is located in Clay County, Iowa, within the Spencer, IA Metropolitan Statistical Area (CBSA 43980) and Iowa's 4th Congressional District. This Micro area has a population of 16,667 people, about 0.20% of whom live in ZIP Code 51341. It covers 0.341 sq mi of land and a water area of 0.002 sq mi.

CBSA Name:Spencer, IASource: Census
CBSA Number:43980Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:16,667Source: Census
MSA:Source: Census
Land Area:0.341 sq miSource: Census
Water Area:0.002 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:1930810Source: Census
Place Name:Gillett Grove city; IowaSource: Census

Adjacent & Nearby ZIP Codes


51342 | | 51340

Schools in ZIP Code 51341


We could not locate which school district 51341 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.

Lincoln Elementary School 615 4th Ave. Sw
Spencer, IA 51301
District: Spencer Community School DistrictNearby
Spencer High School 800 E 3rd St
Spencer, IA 51301
District: Spencer Community School DistrictNearby
Spencer Middle School 1400 10th Avenue East
Spencer, IA 51301
District: Spencer Community School DistrictNearby
Ruthven-Ayrshire Elementary School 1505 Washington St
Ruthven, IA 51358
District: Ruthven-Ayrshire Community School DistrictNearby
Ruthven-Ayrshire High School 1505 Washington St
Ruthven, IA 51358
District: Ruthven-Ayrshire Community School DistrictNearby
Iowa Great Lakes Lutheran School 1311 E 18th St
Spencer, IA 51301
District: Private SchoolNearby
Sacred Heart School 1111 4th Ave W
Spencer, IA 51301
District: Private SchoolNearby
Emmetsburg Catholic School 1903 Broadway St
Emmetsburg, IA 50536
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 51341


Buena Vista University 610 W 4th St
Storm Lake, IA 50588
Type: Post Secondary
Faust Institute Of Cosmetology-Spirit Lake 1543 18th Street
Spirit Lake, IA 51360
Type: Post Secondary
Iowa Lakes Community College 19 S 7th St
Estherville, IA 51334-2295
Type: Post Secondary
Northwest Iowa Community College 603 W Park St
Sheldon, IA 51201
Type: Post Secondary
Avalon School Of Cosmetology 1428 N Mcmillan St
Worthington, MN 56187
Type: Post Secondary
Northwestern College 101 Seventh St Sw
Orange City, IA 51041
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 February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], 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 2011-2024 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: 2/1/2026], https://nces.ed.gov