PlainZIP

Oto, IA · standard

ZIP Code 51044

Woodbury County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

253
3/sq mi
$90,417
Median income
$83,800
Median home value
29.7%
Bachelor's or higher

The verdict

Oto pairs an above-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

Top 27%
household income, US ZIPs
5th pct
home value, US ZIPs
3
people per sq mi
95%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 51044 against every reporting US ZIP.

ZIP code 51044 is a sparsely populated ZIP (a standard USPS delivery area) in Oto, Woodbury County, Iowa, home to just 253 residents across 90.4 square miles, a density of 3 people per square mile, in the Chicago time zone.

ZIP 51044 lands in the middle-income range, with a median household income of $90,417 (18% above the Iowa average), while per-capita income is $46,394. 7.3% of residents live below the poverty line, and the unemployment rate reads 24.3%. Median home value sits at $83,800 (52% below the state average), median rent at - a month, and owner-occupancy at 94.8%.

Educational attainment sits below the national norm: 29.7% of adults hold a bachelor's degree or higher, the median age is 72.7, and the average commute is -. To put 51044 in local context, 4 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Woodbury County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51044, Oto, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

253

Population

90.4

Area (sq mi)

3

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 51044?

72.7

Median Age

43.0%

Male

57.0%

Female

19.4%

Foreign-Born

White 99.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.6%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$90,417

Median Household Income

+18% vs state

$46,394

Per Capita Income

7.3%

Poverty Rate

24.3%

Unemployment Rate

How ZIP 51044 ranks nationally

Oto, IA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$90,417 Top 27% higher than 73% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 77.2%
Bachelor's Degree or Higher 29.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

117

Total Housing Units

77

Occupied Units

40

Vacant Units

2.14

Avg Household Size

Occupancy Type

Owner 94.8%
Renter 5.2%

$83,800

Median Home Value

-52% vs state

1971

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 5 business establishments in ZIP 51044, employing approximately 15 people with a combined annual payroll of $635,000.

5

Businesses

15

Employees

$635K

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 51044 vs 51004 →

ZIP 51044 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 51044 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 51044 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 51044 ranks #2 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
51004 Anthon, IA 1,033 5.3 mi
51056 Smithland, IA 478 4.7 mi
51051 Rodney, IA 90 7.0 mi
51034 Mapleton, IA 1,820 11.8 mi

More ZIP Codes in Woodbury County

51106 standard
Sioux City, IA
Pop: 26,544
51104 standard
Sioux City, IA
Pop: 22,104
51103 standard
Sioux City, IA
Pop: 17,453
51105 standard
Sioux City, IA
Pop: 10,216
51108 standard
Sioux City, IA
Pop: 5,566
51054 standard
Sergeant Bluff, IA
Pop: 5,110

Related Areas

Woodbury County Oto, IA Iowa

Frequently Asked Questions

What county is ZIP code 51044 in? ▼
ZIP code 51044 (Oto) is located in Woodbury County, Iowa. Woodbury County contains multiple ZIP codes, see the full list at /counties/woodbury-ia.
What is the population of ZIP code 51044? ▼
ZIP code 51044 in Oto, IA has a population of 253 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 51044? ▼
The median household income in ZIP 51044 is $90,417, which is 19% above the national average of $76,288.
What is the average home value in ZIP 51044? ▼
The median home value in ZIP 51044 is $83,800, which is 70% below the national average of $278,155.
What is the demographic makeup of ZIP 51044? ▼
The largest racial group in ZIP 51044 is White at 99.4%.
How many businesses are in ZIP code 51044? ▼
ZIP code 51044 has 5 business establishments employing approximately 15 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 51044? ▼
In ZIP code 51044, 77.2% of residents aged 25+ have a high school diploma or higher, and 29.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 51044? ▼
In ZIP code 51044, approximately 94.8% of occupied housing units are owner-occupied and 5.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 51044? ▼
The poverty rate in ZIP code 51044 is 7.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.