| City: | Oyens, Iowa |
| County: | Plymouth County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:14:56 AM |
| Population: | 79 [See All] |
| Area Code: | 712 |
| Classification: | PO Box |
| Coordinates: | 42.8206, -96.0572 |
| Land Area: | 0.066 sq mi |
| Quick Link: |
Oyens is a tiny rural community in Plymouth County, Iowa, where all 79 residents rely on PO Box mail delivery. This is a PO Box Only Zone, meaning there's no alternative mail delivery across the village's compact 0.07 square mile footprint. The post office at 51045 maintains 44 PO Boxes for just 25 local households, a 1.76 adoption rate that shows the facility also serves surrounding rural areas beyond the village limits.
The community consists entirely of owner-occupied homes. All 25 occupied housing units are owner-occupied, with zero renters. Most structures date to the early 20th century: 78% of the housing stock (28 of 36 units) was built before 1939, giving Oyens a distinctly historic character. Main Street forms the commercial center, with Catherine Street, Catholic Street, and Park Street making up the residential grid.
With a median household income of $96,250 and median home values of $155,000, Oyens residents are relatively well-off compared to many small Iowa towns. The median age of 45.3 years indicates a stable, middle-aged population. Transportation and warehousing dominate local employment, with 54% of workers in that sector. Another 15% work in educational services and health care. Despite the small population, 17.5% of workers commute from home, suggesting some residents run businesses or work remotely from this quiet village.
All mail to Oyens must be addressed to a PO Box. The format is:
Recipient Name
PO Box [Number]
Oyens, IA 51045Street addresses aren't used for mail delivery in this ZIP code.
A simple street grid centered on Main Street with residential streets named Catherine, Catholic, Park, and Lincoln.
ZIP Code 51045 has 79 residents and 25 households (average 3.16 persons per household). The median age is 45.3 years, older than the state (38.6) and older than the nation (38.8). The gender split is 58.2% male and 41.8% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (91.1%, much higher than the national average of 61.6%) and Hispanic or Latino (5.1%); Hispanic or Latino residents make up 5.1%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 79Source: Census DHC |
| 2024 ACS Population Estimate: | 66Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 1,197.0 people per sq mile |
| Average Income: | $113,750Source: Census ACS |
| Households: | 25Source: Census DHC |
| Average House Value: | $170,000Source: Census ACS |
| Persons Per Household: | 3.16Source: Census DHC |
| Average Family Size: | 3.76Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 85 | 113 | 75 | 66 |
| Decennial Census | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 79 | -- | -- | -- | -- |
Median Age: 45.3
Male Median Age: 39.5
Female Median Age: 45.8
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 4 | 4 | 3 | 1 | 1 | 4 | 2 | 4 | 1 | 2 | 5 | 1 | 4 | 4 | 1 | 1 | 3 | 1 |
| Female | 4 | 3 | 0 | 1 | 1 | 0 | 3 | 1 | 2 | 6 | 2 | 5 | 1 | 0 | 0 | 3 | 0 | 1 |
| Total | 8 | 7 | 3 | 2 | 2 | 4 | 5 | 5 | 3 | 8 | 7 | 6 | 5 | 4 | 1 | 4 | 3 | 2 |
| White: | 72 | 94.74% |
| Black: | 0 | 0% |
| Hispanic:* | 4 | 5.26% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 0 | 0% |
| Total: | 76 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 46 | 58.23% | 39.5 years |
| Females: | 33 | 41.77% | 45.8 years |
| Total: | 79 | 100% | 45.3 years |
| Native, born in the United States: | 66 | 100.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 0 | 0.00% |
| Foreign born, not a U.S. citizen: | 0 | 0.00% |
| Total Population: | 66 | 100% |
| Total Native Population: | 66 | 100.00% |
| Total Foreign-born Population: | 0 | 0.00% |
In 2024, the Median household income is $113,750, which is markedly greater than the national median ($80,734), and above its 2019 pre-pandemic level by $113,750. Family households earn a median of $125,750 versus $0 for nonfamily households (a difference of $125,750). By gender, male median income is $50,417 and female is $41,250, which is much lower than the national female median ($55,274), with a current gap of $9,167 that has widened from 2011 to 2024. The labor-force participation rate is 87.7%, which is much higher than the national rate (63.5%). The unemployment rate is 4.0%, which is below the national rate (5.2%). The largest occupation group is Production (29.2%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $101,364 | $108,000 | $96,250 | $113,750 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $101,932 | $108,333 | $120,625 | $125,750 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $66,250 | $75,000 | $68,750 | $0 |
| Median Male Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $56,071 | $58,083 | $48,250 | $50,417 |
| Median Female Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $45,385 | $47,500 | $38,929 | $41,250 |
| Employed: | 48 | 84.21% |
| Unemployed: | 2 | 3.51% |
| Not In Labor Force: | 7 | 12.28% |
| Total: | 57 | 100% |
| Management, business, science, and arts: | 12 | 25.00% |
| Service: | 8 | 16.67% |
| Sales and Office: | 12 | 25.00% |
| Natural resources, construction, and maintenance: | 2 | 4.17% |
| Production, transportation, and material moving: | 14 | 29.17% |
| Total Civilian Employed Population: | 48 | 100% |
In 2024, the median home value is $170,000, which is well under the national median ($332,700), and above its 2019 pre-pandemic level by $170,000. 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
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $160,000 | $180,300 | $155,000 | $170,000 |
| Less than $500: | 0 | 0.00% |
| $500 to $999: | 2 | 100.00% |
| $1,000 to $1,499: | 0 | 0.00% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 0 | 0.00% |
| Total: | 2 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Owner Occupied (with mortgage): | 15 | 62.50% |
| Owner Occupied (free and clear, no mortgage): | 7 | 29.17% |
| Renter Occupied: | 2 | 8.33% |
| Total Occupied Housing Units: | 24 | 100% |
| Occupied Housing Units: | 24 | 100.00% |
| Vacant Housing Units (not graphed): | 0 | 0.00% |
| Total Housing Units: | 24 | 100% |
| Single-Family Units: | 24 | 100.00% |
| Multi-Family Units: | 0 | 0.00% |
| Other Units: | 0 | 0.00% |
| Total Housing Units: | 24 | 100% |
In 2024, 16.30% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 100.00%, which is comparable to the national rate (89.60%). The uninsured rate is 0.00%, which is comparable to the national rate (8.40%). Private coverage is 90.90%, which is well above the national rate (67.10%). Public coverage is 22.70%, which is falls below the national rate (36.70%). 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 (62.50%). 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
| Less than 9th grade: | 0 | 0.00% |
| 9th to 12th grade, no diploma: | 0 | 0.00% |
| High school graduate (includes equivalency): | 16 | 32.65% |
| Some college, no degree: | 10 | 20.41% |
| Associate's degree: | 15 | 30.61% |
| Bachelor's degree: | 8 | 16.33% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 49 | 100% |
| High school or higher: | 49 | 100.00% |
| Bachelor's degree or higher: | 8 | 16.33% |
| Private Insurance: | 60 | 80.00% |
| Public Insurance: | 15 | 20.00% |
| No Insurance: | 0 | 0.00% |
| Total: | 75 | 100% |
| Has Health Insurance: | 75 | 100.00% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
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.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 5 | 62.50% |
| High school (grades 9-12): | 3 | 37.50% |
| College or graduate school: | 0 | 0.00% |
| Total: | 8 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 8 | 100.00% |
ZIP Code 51045 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: | 48Source: 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 |
ZIP Code 51045 is located in Plymouth County, Iowa, within the Le Mars, IA Metropolitan Statistical Area (CBSA 30180) and Iowa's 4th Congressional District. This Micro area has a population of 0 people, about 0.00% of whom live in ZIP Code 51045. It covers 0.066 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Le Mars, IASource: Census |
| CBSA Number: | 30180Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 0.066 sq miSource: Census |
| Water Area: | --Source: 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: | 1960780Source: Census |
| Place Name: | Oyens city; IowaSource: Census |
We could not locate which school district 51045 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.
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.