ZIP code profile · 2024 county data

ZIP Code 42104

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

Data updated 2026-08-24

321
Property rate /100K (county)
40,285
Population (ZIP)
33
Violent rate /100K (county)

Is ZIP code 42104 safe? Honest data snapshot

ZIP code 42104 sits within Warren County, KY, 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: 33 violent incidents and 321 property incidents per 100,000 residents in 2024, per county-level agency submissions.

ZIP 42104 carries a Census-reported population of 40,285, ranking #2 of 8 ZIPs in Warren County, spread across 58.04 square miles (about 694 people per square mile). For a full breakdown of Warren County's crime categories and year-over-year trend, see the Warren County crime page linked below.

ZIP 42104 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Warren County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 42104 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
$73,458
Median age
36.3 years
Owner-occupied homes
63%
Occupied homes
16,203

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 42104?

Within the participating-agency records for Warren County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 91% below and property crime is 81% 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 42104. 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.

ZIP 42104 sits near the middle of Warren County's ZIP population ordering (#2 of 8). The county comparison is useful regional context, but it cannot say how reported incidents are distributed within this postal area.

Warren County UCR book ZIP 42104 inherits

ZIP 42104 itself is about 694 people per Census sq mi across 58 sq mi (40,285 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 42104's 40,285 residents are about 29.9% of the 2024 county reporting population (134,554), a large postal share of a county-wide rate.

Warren County leans on larceny-theft at 56% of reported offenses (mix index 3,747). ZIP 42104 has no separate FBI offense book.

Warren County 2024 vs 2023: violent counts -20% vs 2023; property counts -2% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Warren 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 42104

Similar county violent rate (~33/100K)

Similar Census population (~40,285)

County detail: Warren County · State atlas: Kentucky

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.