NEIGHBORSCORE

Onawa, Iowa · ZIP 51040

Onawa — ZIP 51040

Crime DataSchools

Onawa (51040) scores 81/100 — Good for Iowa. Safety: Lower reported-crime rate under the available data tier. Schools: Higher reported proficiency and grade-band coverage. A mid-range price profile for the state. The typical home value here is $162K.

81OUT OF 100

Overall NeighborScore

B+Good

Tap a tab to compare 51040 against its city, state, or the nation.

Lower reported-crime rate under the available data tier.

Safety index80/100
Violent crime share33%
Property crime share67%

Higher reported proficiency and grade-band coverage.

School index82/100
Avg math proficiency67%
Avg reading proficiency79%
Schools nearby3

A mid-range price profile for the state.

Affordability index60/100
Typical home value$162K

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.

Blencoe, IowaBlencoeZIP 51523
81= even vs here
Decatur, NebraskaDecaturZIP 68020
89▲8 vs here
Whiting, IowaWhitingZIP 51063
76▼5 vs here
Castana, IowaCastanaZIP 51010
75▼6 vs here

Real Estate Snapshot

Typical Home Value

$162K

Median Rent

—

Days on Market

—

Sale-to-List

—

Typical Home Value — 24 Months

Crime Overview

Total Incidents

24

Violent Crime

8

Property Crime

16

Crime statistics for this area are estimated from FBI-reported county-level data for Monona 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
West Monona Middle School06–08120
72%
82%
West Monona ElementaryPK–05352
67%
77%
West Monona High School09–12161
62%
77%

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

3,388

Median Income

$71K

Homeownership

75%

Median Age

37.6 yrs

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

Map

Frequently Asked Questions

ZIP 51040 has a reported-crime score of 80/100. 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 51040 has a school score of 82/100. 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 51040 is approximately $162K. 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 51040 in Onawa has an overall NeighborScore of 81/100. 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.