ZIP code profile · 2024 county data
ZIP Code 50317
Polk County, Iowa: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 120
- Property rate /100K (county)
- 35,466
- Population (ZIP)
- 13
- Violent rate /100K (county)
Is ZIP code 50317 safe? Honest data snapshot
ZIP code 50317 sits within Polk County, IA, a county whose reported crime runs below the national average (see the county-level FBI figures below, not a ZIP-specific calculation).
Reported crime here runs well below the national average: 13 violent incidents and 120 property incidents per 100,000 residents in 2024, per county-level agency submissions.
ZIP 50317 is the largest ZIP in Polk County by population, 35,466 residents (#3 of 33 county ZIPs), across 22.12 square miles (1,603/sq mi). For a full breakdown of Polk County's crime categories and year-over-year trend, see the Polk County crime page linked below.
ZIP 50317 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Polk County agency submissions; see methodology for the ZCTA plurality map. Methodology.
ZIP 50317 Census context
These are ZIP/ZCTA demographic estimates, separate from the county-level FBI proxy above. They describe the local settlement, not a crime rate.
- Median household income
- $61,170
- Median age
- 35.8 years
- Owner-occupied homes
- 72%
- Occupied homes
- 14,025
Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).
How useful is the county proxy for ZIP 50317?
Within the participating-agency records for Polk County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 96% below and property crime is 93% below. The two submitted measures point in the same direction, but they do not establish complete county coverage or turn the result into a ZIP-level rating for 50317. Both comparisons use the same 2024 county reporting population and FBI-submitted counts, so the two directions are internally comparable for this release, not evidence about a different year.
Within the county, 50317 is one of the most populous ZIPs (#3 of 33). Its 35,466 residents therefore represent a comparatively large share of the local population, but the county total still combines reports from places outside this ZIP.
Polk County UCR book ZIP 50317 inherits
ZIP 50317 itself is about 1,603 people per Census sq mi across 22.1 sq mi (35,466 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 50317 accounts for roughly 7.2% of the county reporting population (35,466 of 492,401).
Polk County's 2024 UCR book concentrates in larceny-theft (73% of 656 offenses; mix index 5,541). ZIP 50317 inherits that county mix, not a postal-native split.
Polk County 2024 vs 2023: violent counts -5% vs 2023; property counts +13% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.
Polk County offense mix (2024)
Mix index is HHI × 10,000 on county offense-type shares. Distinct from the per-100K rates in the hero; still county-agency data, not a ZIP-native FBI table.
Nationwide peers for ZIP 50317
Similar county violent rate (~13/100K)
- ZIP 40019, KY · 12.8/100K · Henry County
- ZIP 68801, NE · 12.7/100K · Hall County
- ZIP 62441, IL · 12.9/100K · Clark County
- ZIP 40342, KY · 12.6/100K · Anderson County
Similar Census population (~35,466)
- ZIP 62269, IL · 35,467 pop · Δ1
- ZIP 95660, CA · 35,458 pop · Δ8
- ZIP 23229, VA · 35,457 pop · Δ9
- ZIP 61701, IL · 35,480 pop · Δ14
County detail: Polk County · State atlas: Iowa
Sources: U.S. Census Bureau (ZIP population, land area, 2020 ZCTA-to-county relationship file, ACS 5-year estimates) and FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10 (county-level crime, attributed via ZIP-to-county crosswalk).
Verify with Census.gov Geography and FBI.gov UCR.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page combines Census ZIP-level figures with a ZIP-to-county crosswalk to attribute FBI UCR crime data honestly, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.