NEIGHBORSCORE

Sioux City, Iowa · ZIP 51109

Sioux City — ZIP 51109

Crime DataSchools

Sioux City (51109) scores 39/100 — Below Average for Sioux City. Safety: Higher reported-crime rate under the available data tier. Schools: Mid-range proficiency and grade-band coverage. A mid-range price profile for the state. The typical home value here is $176K.

39OUT OF 100

Overall NeighborScore

FBelow Average

Tap a tab to compare 51109 against its city, state, or the nation.

Higher reported-crime rate under the available data tier.

Safety index25/100
Violent crime share15%
Property crime share85%

Mid-range proficiency and grade-band coverage.

School index54/100
Avg math proficiency57%
Avg reading proficiency67%
Schools nearby1

A mid-range price profile for the state.

Affordability index56/100
Typical home value$176K

How this score is calculated: the NeighborScore composite weights crime 53% and schools 47%, each normalized to the local area. Home affordability is shown for context and is not factored into the overall score. Sources & methodology →

Last refreshed — Schools: Aug 2026 · Real estate: Aug 2026 · Demographics: Jun 2026

Nearby Neighborhoods

Not the right fit? See how adjacent ZIPs score — tap to jump over.

North Sioux City, South DakotaNorth Sioux CityZIP 57049
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Sioux City, IowaSioux CityZIP 51103
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More ZIPs in Sioux City

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Real Estate Snapshot

Typical Home Value

$176K

Median Rent

—

Days on Market

—

Sale-to-List

—

Typical Home Value — 24 Months

Crime Overview

Total Incidents

61

Violent Crime

29

Property Crime

32

Crime statistics for this area are estimated from FBI-reported county-level data for Woodbury County, Iowa (2025). This ZIP does not yet have city-specific monthly crime data, so figures reflect the entire county rather than this ZIP alone.

Full Crime Report →

Nearby Schools

Grades
Riverside Elementary SchoolPK–05227
57%
67%

Directory and latest enrollment: NCES Common Core of Data (SY 2024–25 where reported). Proficiency: U.S. Department of Education EDFacts SY 2021–22; state standards are not directly comparable.

Full School Report →

Demographics

Population

3,731

Median Income

$79K

Homeownership

87%

Median Age

39.4 yrs

Source: US Census Bureau ACS 5-Year Estimates (2024).

Map

Frequently Asked Questions

ZIP 51109 has a reported-crime score of 25/100. A higher score represents a lower reported-crime rate under the best available data tier for this ZIP; it is not a guarantee of safety. Review the crime report and current local police data before making a decision.
ZIP 51109 has a school score of 54/100. The index combines reported SY 2021–22 math and reading proficiency with grade-band coverage. Nearby or county-level estimates may be used where ZIP-level reporting is sparse, and state assessment standards are not directly comparable.
The latest home value or sale-price figure available for ZIP 51109 is approximately $176K. The profile identifies the underlying source; Zillow ZHVI is a typical home value measure, while Redfin data is a median sale-price measure. These are different metrics and may lag current listings.
ZIP 51109 in Sioux City has an overall NeighborScore of 39/100. It combines the crime score (53%) and school score (47%); affordability is context only. Use the component data and its coverage notes rather than treating the composite as a complete measure of livability.