ZIP code profile · 2024 county data

ZIP Code 40291

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

Data updated 2026-08-24

40,888
Population (ZIP)
0
Violent rate /100K (county)
0
Property rate /100K (county)

Is ZIP code 40291 safe? Honest data snapshot

ZIP code 40291 sits within Jefferson County, KY, in which law-enforcement agencies did not report complete 2024 data to the FBI UCR Program. The county figures below cover only the agencies that submitted, so they are not a measure of crime in this area and no comparison to the national average is drawn from them.

ZIP 40291 is the largest ZIP in Jefferson County by population, 40,888 residents (#3 of 38 county ZIPs), across 22.63 square miles (1,807/sq mi). For a full breakdown of Jefferson County's crime categories and year-over-year trend, see the Jefferson County crime page linked below.

ZIP 40291 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Jefferson County proxy where reported; see methodology for the ZCTA plurality map. Methodology.

ZIP 40291 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
$81,059
Median age
39.7 years
Owner-occupied homes
77%
Occupied homes
16,149

Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).

ZIP 40291 settlement vs Jefferson County

ZIP 40291 itself is about 1,807 people per Census sq mi across 22.6 sq mi (40,888 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 40291 accounts for roughly 5.2% of the county reporting population (40,888 of 782,969).

Jefferson County's 2024 UCR book concentrates in aggravated assault (100% of 2 offenses; mix index 10,000). ZIP 40291 inherits that county mix, not a postal-native split.

Settlement lines use Census ZCTA figures only; incomplete county agency coverage blocks any UCR mix or rate desk for this ZIP.

Nationwide peers for ZIP 40291

Similar county violent rate (~0/100K)

Similar Census population (~40,888)

County detail: Jefferson 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.