ZIP code profile · 2024 county data

ZIP Code 61604

Peoria County, Illinois: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.

Data updated 2026-08-24

289
Property rate /100K (county)
28,220
Population (ZIP)
84
Violent rate /100K (county)

Is ZIP code 61604 safe? Honest data snapshot

ZIP code 61604 sits within Peoria County, IL, 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: 84 violent incidents and 289 property incidents per 100,000 residents in 2024, per county-level agency submissions.

ZIP 61604 is the largest ZIP in Peoria County by population, 28,220 residents (#2 of 25 county ZIPs), across 15.19 square miles (1,858/sq mi). For a full breakdown of Peoria County's crime categories and year-over-year trend, see the Peoria County crime page linked below.

ZIP 61604 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Peoria County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 61604 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
$49,740
Median age
39.7 years
Owner-occupied homes
66%
Occupied homes
12,056

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 61604?

Within the participating-agency records for Peoria County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 76% below and property crime is 83% 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 61604. 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, 61604 is one of the most populous ZIPs (#2 of 25). Its 28,220 residents therefore represent a comparatively large share of the local population, but the county total still combines reports from places outside this ZIP.

Peoria County UCR book ZIP 61604 inherits

ZIP 61604 itself is about 1,858 people per Census sq mi across 15.2 sq mi (28,220 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 61604's 28,220 residents are about 15.5% of the 2024 county reporting population (181,830), a large postal share of a county-wide rate.

Peoria County leans on larceny-theft at 36% of reported offenses (mix index 2,612). ZIP 61604 has no separate FBI offense book.

Peoria County 2024 vs 2023: violent counts -8% vs 2023; property counts -5% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Peoria 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 61604

Similar county violent rate (~84/100K)

Similar Census population (~28,220)

County detail: Peoria County · State atlas: Illinois

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.