ZIP code profile · 2024 county data

ZIP Code 80123

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

Data updated 2026-09-05

404
Property rate /100K (county)
45,388
Population (ZIP)
74
Violent rate /100K (county)

Is ZIP code 80123 safe? Honest data snapshot

ZIP code 80123 sits within Jefferson County, CO, 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: 74 violent incidents and 404 property incidents per 100,000 residents in 2024, per county-level agency submissions.

ZIP 80123 is the largest ZIP in Jefferson County by population, 45,388 residents (#1 of 27 county ZIPs), across 12.02 square miles (3,776/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 80123 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Jefferson County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 80123 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
$102,722
Median age
41.0 years
Owner-occupied homes
74%
Occupied homes
19,084
Median home value
$517,500
Bachelor's degree or higher
52.4%
Poverty rate
5.1%
Unemployment rate
3.7%

ZIP 80123's median home value of $517,500 sits higher than 74% of the 359 CO ZIPs with a reported value, roughly mid-range for the state.

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

How useful is the county proxy for ZIP 80123?

Within the participating-agency records for Jefferson County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 79% below and property crime is 76% 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 80123. 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, 80123 is one of the most populous ZIPs (#1 of 27). Its 45,388 residents therefore represent a comparatively large share of the local population, but the county total still combines reports from places outside this ZIP.

Jefferson County UCR book ZIP 80123 inherits

ZIP 80123 itself is about 3,776 people per Census sq mi across 12 sq mi (45,388 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 80123 accounts for roughly 7.8% of the county reporting population (45,388 of 582,910).

Jefferson County leans on larceny-theft at 58% of reported offenses (mix index 3,837). ZIP 80123 has no separate FBI offense book.

Jefferson County 2024 vs 2023: violent counts +24% vs 2023; property counts -7% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Jefferson 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 80123

Similar county violent rate (~74/100K)

Similar Census population (~45,388)

County detail: Jefferson County · State atlas: Colorado

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.