ZIP Code 50241 in Saint Marys, IA

Data Last Updated: February 1, 2026
City:Saint Marys, Iowa
County:Warren County
Timezone:Central (GMT -06:00)
Local Time:7:10:05 AM
Population:108 [See All]
Area Code:641
Classification:PO Box
Coordinates:41.3085, -93.7316
Land Area:0.141 sq mi
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50241 - Saint Marys, IA

ZIP Code 50241, Saint Marys

Small Town
LocationWarren County, IA
Area0.6 sq mi
Population108
Households44
PO Boxes55 Regional Hub (125%)
Median Age37.5 years
ZIP CreatedBefore Oct 2004
Key Facts
  • This is designated as a PO Box Only Zone, meaning there's no alternative mail delivery option for residents across the service area
  • The post office maintains 55 PO Boxes for 44 local households, a 1.25 adoption rate indicating service extends to surrounding rural areas beyond the village limits
  • Despite having just 108 residents, this ZIP Code covers 0.60 square miles with rural carrier delivery to scattered homes and a small village center
  • Transportation, warehousing, and utilities employ nearly half the workforce (49%), reflecting the community's location along R45 Highway
  • With a median home value of $168,800 and 77% homeownership, Saint Marys is an affordable rural community where most residents own their property
  • The work-from-home rate of 28% is notably high for such a small rural community

Community Overview

Saint Marys is a small rural community in Warren County, Iowa, with 108 residents and 44 households. Despite its small size, the post office maintains 55 PO Boxes, serving not just the immediate village but also people from the surrounding countryside. This is classified as a PO Box Only Zone. There's no alternative mail delivery across the service area, making the post office an essential hub for the region.

Local Character

The community sits on just 0.60 square miles of land, with a street pattern centered on R45 Highway (the main route with 9 delivery points) and small-town streets like Iowa Street, School Street, and Nevada Street. Some streets carry saint-themed names including St Johns Street and St James Street, fitting the town's name. One apartment building on Iowa Street provides the only multi-family housing in the area.

Demographics

With a median household income of $78,750 and median home values of $168,800, Saint Marys is a working-class community where 77% of households own their homes. The median age of 37.5 years indicates a mix of working-age adults and families. Nearly everyone (96%) is White, and all residents were born in the United States. Mail arrives via a single rural carrier route serving the compact territory.

Economic Profile

Just 4 business establishments operate here, employing 12 people total. The largest employment sector is transportation, warehousing, and utilities (49% of workers), which isn't surprising given the rural highway location. About 28% of workers commute from home, and equal numbers drive alone or carpool to jobs elsewhere.

Mailing to Saint Marys

Use the format:

PO Box [number]
Saint Marys, IA 50241

This is a PO Box Only Zone, so street addresses won't receive mail delivery.

Street Name Patterns

Highway Corridor Small Town Grid Saint Themed Names

Street names reflect a small Iowa village with saint-themed streets and a highway corridor serving as the main route.

Nearby Areas

Southwestern Hills Greater South Side Watrous South Somerset Fort Des Moines
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Population & Demographics


ZIP Code 50241 has 108 residents and 44 households (average 2.45 persons per household). The median age is 37.5 years, slightly younger than the state (38.6) and slightly younger than the nation (38.8). The gender split is 46.3% male and 53.7% female, which is lower than the state male share (49.7%), making this a female-majority area. Largest groups are White (96.3%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Hispanic or Latino (2.8%); Hispanic or Latino residents make up 2.8%, 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:108Source: Census DHC
2024 ACS Population Estimate:96Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:766.0 people per sq mile
Average Income:$77,500Source: Census ACS
Households:44Source: Census DHC
Average House Value:$195,000Source: Census ACS
Persons Per Household:2.45Source: Census DHC
Average Family Size:2.58Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--000000000011613111296
Decennial Census0------------------108--------
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: 37.5

Male Median Age: 40

Female Median Age: 37.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male220845400353351014
Female520444743236341123
Total74012891143589692137
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:10497.20%
Black:00%
Hispanic:*32.80%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:107100%
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:5046.30%40.0 years
Females:5853.70%37.5 years
Total:108100%37.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:9497.92%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:22.08%
Foreign born, not a U.S. citizen:02.08%
Total Population:96100%
Total Native Population:9497.92%
Total Foreign-born Population:22.08%
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 $77,500, which is falls short of the national median ($80,734), and above its 2019 pre-pandemic level by $77,500. Family households earn a median of $131,250 versus $0 for nonfamily households (a difference of $131,250). By gender, male median income is $101,750 and female is $81,250, which is considerably higher than the national female median ($55,274), with a current gap of $20,500 that has widened from 2011 to 2024. The labor-force participation rate is 63.4%, which is on par with the national rate (63.5%). The unemployment rate is 10.2%, which is much higher than the national rate (5.2%). The largest occupation group is Management (32.1%).

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$0$0$0$0$0$0$0$0$0$0$58,125$61,429$78,750$77,500
Median Family Income$0$0$0$0$0$0$0$0$0$0$61,250$0$0$131,250
Median NonFamily Income$0$0$0$0$0$0$0$0$0$0$56,563$57,500$68,750$0
Median Male Income$0$0$0$0$0$0$0$0$0$0$48,750$0$83,750$101,750
Median Female Income$0$0$0$0$0$0$0$0$0$0$0$0$78,750$81,250
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:5356.99%
Unemployed:66.45%
Not In Labor Force:3436.56%
Total:93100%
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:1732.08%
Service:00.00%
Sales and Office:1426.42%
Natural resources, construction, and maintenance:1324.53%
Production, transportation, and material moving:916.98%
Total Civilian Employed Population:53100%
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 $195,000, which is considerably lower than the national median ($332,700), and above its 2019 pre-pandemic level by $195,000. The median gross rent is $0, which is well under the national median ($1,413), and above its 2019 pre-pandemic level by $0. 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$0$0$0$0$0$0$0$0$0$0$128,600$148,200$168,800$195,000
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:214.29%
$500 to $999:00.00%
$1,000 to $1,499:214.29%
$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:1071.43%
Total:14100%
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$0$0$0$0$0$0$0$0$0$0$1,042$1,125$1,300$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):2045.45%
Owner Occupied (free and clear, no mortgage):1022.73%
Renter Occupied:1431.82%
Total Occupied Housing Units:44100%

Occupied Housing Units:44100.00%
Vacant Housing Units (not graphed):00.00%
Total Housing Units:44100%
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:3988.64%
Multi-Family Units:511.36%
Other Units:00.00%
Total Housing Units:44100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 23.20% of adults (25+) have a bachelor's degree or higher, which is comparable to the national rate (35.70%). High school or higher is 86.60%, which is comparable to the national rate (89.60%). The uninsured rate is 2.10%, which is far lower than the national rate (8.40%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.80%), up 6.30 percentage points since 2011 and above its 2019 pre-pandemic level by 6.30 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 high school (81.82%). 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:11.22%
9th to 12th grade, no diploma:1012.20%
High school graduate (includes equivalency):3239.02%
Some college, no degree:1113.41%
Associate's degree:910.98%
Bachelor's degree:1214.63%
Graduate or professional degree:78.54%
Total:82100%
High school or higher:7186.59%
Bachelor's degree or higher:1923.17%
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:7570.09%
Public Insurance:3028.04%
No Insurance:21.87%
Total:107100%
Has Health Insurance:10598.13%
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%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%7.7%5.6%6.3%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:19.09%
Kindergarten:00.00%
Elementary school (grades 1-8):19.09%
High school (grades 9-12):981.82%
College or graduate school:00.00%
Total:11100%
Early Childhood:19.09%
K-12 (Primary & Secondary School):1090.91%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 50241 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 12 people with an annual payroll of $215,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:68Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:5Source: CBP
1st Quarter Payroll:$57,000Source: CBP
Annual Payroll:$215,000Source: CBP
# of Employees:12Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 50241 is located in Warren County, Iowa, within the Des Moines-West Des Moines, IA Metropolitan Statistical Area (CBSA 19780) and Iowa's 1st Congressional District. This Metro area has a population of 569,633 people, about 0.02% of whom live in ZIP Code 50241. It covers 0.141 sq mi of land and a water area of 0 sq mi.

CBSA Name:Des Moines-West Des Moines, IASource: Census
CBSA Number:19780Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:569,633Source: Census
MSA:Des Moines, IA MSASource: Census
Land Area:0.141 sq miSource: Census
Water Area:--Source: Census
Congressional District:01Source: USPS
Congressional Land Area:12048.84 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1970095Source: Census
Place Name:St. Marys city; IowaSource: Census

Adjacent & Nearby ZIP Codes


50242 | | 50240

Schools in ZIP Code 50241


We could not locate which school district 50241 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.

Martensdale Elementary School 390 Burlington
Martensdale, IA 50160
District: Martensdale-St. Marys Community School DistrictNearby
Martensdale-St Marys Jr-Sr High School 390 Burlington
Martensdale, IA 50160
District: Martensdale-St. Marys Community School DistrictNearby
Wilder Elementary School 2303 W. Euclid
Indianola, IA 50125
District: Indianola Community School DistrictNearby
Whittier Elementary School 1306 W Salem
Indianola, IA 50125
District: Indianola Community School DistrictNearby
Interstate 35 Elementary School 445 East North Street
Truro, IA 50257
District: Interstate 35 Community School DistrictNearby
Victory Christian Academy 805 N 1st St
Indianola, IA 50125
District: Private SchoolNearby
Main Street School 925 Main St
Norwalk, IA 50211
District: Private SchoolNearby
Des Moines Adventist School 2317 Watrous Ave
Des Moines, IA 50321
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 50241


Simpson College 701 North C St
Indianola, IA 50125
Type: Post Secondary
Des Moines University-Osteopathic Medical Center 8025 Grand Ave
West Des Moines, IA 50266
Type: Post Secondary
Aveda Institute-Des Moines 6905 Mills Civic Pkwy Suite 120
West Des Moines, IA 50266
Type: Post Secondary
Unitypoint Health-Des Moines School Of Radiologic Technology 1200 Pleasant St
Des Moines, IA 50309-1453
Type: Post Secondary
Mercy College Of Health Sciences 928 6th Ave
Des Moines, IA 50309-1239
Type: Post Secondary
Drake University 2507 University Avenue
Des Moines, IA 50311-4505
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