ZIP code profile · 2024 county data

ZIP Code 31220

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

Data updated 2026-08-24

3,991
Property rate /100K (county)
16,335
Population (ZIP)
1,106
Violent rate /100K (county)

Is ZIP code 31220 safe? Honest data snapshot

ZIP code 31220 sits within Bibb County, GA, a county whose reported crime runs above the national average (see the county-level FBI figures below, not a ZIP-specific calculation).

Reported crime here runs well above the national average: 1,106 violent incidents and 3,991 property incidents per 100,000 residents in 2024, per county-level agency submissions.

ZIP 31220 carries a Census-reported population of 16,335, ranking #5 of 9 ZIPs in Bibb County, spread across 48.28 square miles (about 338 people per square mile). For a full breakdown of Bibb County's crime categories and year-over-year trend, see the Bibb County crime page linked below.

ZIP 31220 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Bibb County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 31220 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
$86,141
Median age
41.0 years
Owner-occupied homes
63%
Occupied homes
5,980

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 31220?

Within the participating-agency records for Bibb County, reported violent and property crime rates both sit above their U.S. benchmarks: violent crime is 214% above and property crime is 133% above. The two submitted measures point in the same direction, but they do not establish complete county coverage or locate crime inside ZIP 31220. 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 31220 sits near the middle of Bibb County's ZIP population ordering (#5 of 9). The county comparison is useful regional context, but it cannot say how reported incidents are distributed within this postal area.

Bibb County UCR book ZIP 31220 inherits

ZIP 31220 itself is about 338 people per Census sq mi across 48.3 sq mi (16,335 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 31220 accounts for roughly 10.4% of the county reporting population (16,335 of 157,346).

Bibb County leans on larceny-theft at 52% of reported offenses (mix index 3,341). ZIP 31220 has no separate FBI offense book.

Bibb County 2024 vs 2022: violent counts -24% vs 2022; property counts +8% vs 2022. Year-over-year moves are county agency submissions, still not ZIP-native.

Bibb 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 31220

Similar county violent rate (~1,106/100K)

Similar Census population (~16,335)

County detail: Bibb County · State atlas: Georgia

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.