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Iowa ZIP Codes
Woodbury County
Oto, IA
51044
51044 ZIP Code — Oto, IA
Woodbury County, Iowa
ZIP code 51044 is located in
Oto ,
Iowa ,
within Woodbury County .
It covers approximately 33.68 square miles and serves a population of
216 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 712 .
About ZIP code 51044
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $83,300. Owner-occupancy is high at 87%, well above the national average.
Median household income is $83,750. 61% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 19% of civilians, above the national average of 7%; and disability rates above the national average at 44%.
Overall, ZIP code 51044 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
51044 ZIP code map
View map of 51044
Cities in ZIP code 51044
Below are the cities the US Postal Service accepts for ZIP code 51044. Using any city not on this list may result in mail delivery delays.
City
Status
Oto
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
216
Population density
6 / sq mi
State FIPS
19
County FIPS
193
Geography
Land area
33.68 sq mi
Water area
0.06 sq mi
Latitude
42.2876
Longitude
-95.9032
Timezone
Central (CT)
Area code
712
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.2%
40.6%
40.1%
$50k – $100k
18.4%
33.9%
33.4%
$100k – $200k
40.4%
21.3%
21.5%
Over $200k
0.0%
4.2%
5.0%
Demographics & statistics
$83,750
Median household income
31.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 15 6.9%
18 and over 201 93.1%
65 and over 145 67.1%
Median age 72.7 years
Race & ethnicity
Group Count %
White 214 99.1%
Two or more races 2 0.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.2%
40.6%
40.1%
$50k – $100k
18.4%
33.9%
33.4%
$100k – $200k
40.4%
21.3%
21.5%
Over $200k
0.0%
4.2%
5.0%
Range % of households
Under $10k 23.2%
$15k–$25k 1.1%
$25k–$35k 4.2%
$50k–$75k 10.5%
$75k–$100k 46.3%
$100k–$150k 2.1%
$150k–$200k 5.3%
$200k+ 7.4%
Median income $83,750
Housing
Housing overview
Metric Value
Median home value $83,300
Median rent / month $542
Owner occupied 87.4%
Renter occupied 12.6%
Vacant 20.8%
Single-family detached 96.7%
Large apartment buildings 2.5%
Mobile homes 0.8%
Median rooms 7.1
Avg household size (owned) 2.46
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 7.5%
1990–1999 5.0%
1980–1989 5.8%
1970–1979 25.8%
1960–1969 2.5%
1950–1959 5.0%
1940–1949 14.2%
1939 or earlier 34.2%
Bedrooms
Size % of units
No bedroom (studio) 4.2%
1 bedroom 2.5%
2 bedrooms 10.0%
3 bedrooms 68.3%
4 bedrooms 12.5%
5+ bedrooms 2.5%
Vehicles per household
Vehicles % of households
No vehicle 4.2%
1 vehicle 18.9%
2 vehicles 50.5%
3 or more 26.3%
Heating fuel
Fuel type %
Electricity 28.4%
Propane / LP gas 38.9%
Fuel oil 32.6%
Households & families
Household type Count %
Married-couple family 61 64.2%
Cohabiting couple 0 0.0%
Male householder, no spouse 22 23.2%
Female householder, no spouse 12 12.6%
Households with children under 18 13 13.7%
Households with seniors (65+) 70 73.7%
Average household size 2.27
Marital status
Status Male Female
Never married 13.8% 10.4%
Married 64.9% 54.8%
Separated 1.1% 0.0%
Widowed 1.1% 29.6%
Divorced 19.1% 5.2%
Education
Some college, no degree
10.9%
Graduate / professional
5.7%
Metric %
HS diploma or higher 89.6%
Bachelor's or higher 31.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 7 26.9%
High school 8 30.8%
College / grad school 11 42.3%
Employment
Industry of employment
Finance & real estate
30.6%
Education & healthcare
13.9%
Transportation & utilities
8.3%
Arts, food & hospitality
8.3%
Agriculture & mining
5.6%
Occupation
Category %
Management, business & arts 58.3%
Service 8.3%
Sales & office 25.0%
Natural resources & construction 5.6%
Production & transportation 2.8%
Employment type
Type %
Private sector 83.3%
Government 13.9%
Self-employed 2.8%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 88.1%
Carpool 0.0%
Public transit 0.0%
Walk 4.8%
Work from home 7.1%
Other means 0.0%
Avg commute (minutes) 37.1
Poverty
Married-couple families
3.3%
Female-led households
25.0%
Income support
Source % of households
Social Security 61.1%
Retirement income 65.3%
Supplemental Security 3.2%
Cash public assistance 0.0%
Food stamps / SNAP 15.8%
Health indicators
Condition %
Obesity 37.3%
High blood pressure 36.5%
High cholesterol 38.0%
Diabetes 12.2%
Heart disease 7.4%
Stroke 3.3%
Asthma 8.9%
Arthritis 27.8%
Kidney disease 3.1%
Pulmonary disease 7.4%
Cancer 8.2%
Behavior / access %
Smoking 17.2%
Binge drinking 19.0%
No physical activity 26.5%
Less than 7 hrs sleep 31.7%
Depression 16.9%
Fair or poor health 13.2%
Poor mental health 12.7%
Poor physical health 10.1%
No health insurance 9.4%
Visited doctor (checkup) 78.7%
Visited dentist 70.6%
Cholesterol screening 91.0%
Teeth loss 11.9%
Veterans & disability
Veterans Count %
Civilian veterans 37 19.0%
Disability %
Any disability 43.8%
Under 18 0.0%
18–64 years 12.0%
65 and over 59.3%
Health insurance coverage
Type %
Private insurance 57.6%
Public insurance 75.7%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 216 100.0%
Spanish 4 1.9%
Other Indo-European 0 0.0%
Asian & Pacific Islander 4 1.9%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 175 81.0%
Born in same state 175 81.0%
Born in different state 131 60.6%
Foreign born 0 0.0%
Naturalized citizen 41 19.0%
Not a US citizen 1 2.4%
Ancestry
Ancestry Count %
French 65 30.1%
Italian 57 26.4%
Ancestry Count %
Arab 3 1.4%
Polish 2 0.9%
Technology access
Metric % of households
Computer access 44.0%
Internet access 80.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 51044
What city is ZIP code 51044 in?
ZIP code 51044 is primarily assigned to Oto, Iowa.
What county is ZIP code 51044 in?
ZIP code 51044 falls within Woodbury County, Iowa.
Does ZIP code 51044 have an older population?
67% of residents in ZIP code 51044 are 65 or older, above the national average of ~17%.
Does ZIP code 51044 have a large retiree population?
61% of households in ZIP code 51044 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 51044 mostly owner-occupied?
87% of occupied units in ZIP code 51044 are owner-occupied, well above the national average.
Does ZIP code 51044 have a large veteran population?
19% of civilians in ZIP code 51044 are veterans, above the national average of ~7%.
What timezone is ZIP code 51044 in?
ZIP code 51044 observes the CST timezone.
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