ZIP code profile · 2024 county data
ZIP Code 30078
Gwinnett County, Georgia: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 41,998
- Population (ZIP)
- 2
- Violent rate /100K (county)
- 1
- Property rate /100K (county)
Is ZIP code 30078 safe? Honest data snapshot
ZIP code 30078 sits within Gwinnett County, GA, 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 30078 carries a Census-reported population of 41,998, ranking #12 of 16 ZIPs in Gwinnett County, spread across 17.31 square miles (about 2,426 people per square mile). For a full breakdown of Gwinnett County's crime categories and year-over-year trend, see the Gwinnett County crime page linked below.
ZIP 30078 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Gwinnett County proxy where reported; see methodology for the ZCTA plurality map. Methodology.
ZIP 30078 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
- $87,529
- Median age
- 37.6 years
- Owner-occupied homes
- 82%
- Occupied homes
- 13,124
Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).
ZIP 30078 settlement vs Gwinnett County
ZIP 30078 itself is about 2,426 people per Census sq mi across 17.3 sq mi (41,998 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 30078 accounts for roughly 4.4% of the county reporting population (41,998 of 957,062).
Gwinnett County's 2024 UCR book concentrates in aggravated assault (61% of 28 offenses; mix index 4,439). ZIP 30078 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 30078
Similar county violent rate (~2/100K)
- ZIP 48307, MI · 2.1/100K · Oakland County
- ZIP 03894, NH · 2/100K · Carroll County
- ZIP 05001, VT · 1.7/100K · Windsor County
- ZIP 08012, NJ · 1.7/100K · Camden County
Similar Census population (~41,998)
- ZIP 17050, PA · 42,003 pop · Δ5
- ZIP 60062, IL · 42,004 pop · Δ6
- ZIP 26554, WV · 41,983 pop · Δ15
- ZIP 29708, SC · 42,028 pop · Δ30
County detail: Gwinnett 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.