ZIP code profile · 2024 county data
ZIP Code 78681
Williamson County, Texas: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 298
- Property rate /100K (county)
- 57,760
- Population (ZIP)
- 35
- Violent rate /100K (county)
Is ZIP code 78681 safe? Honest data snapshot
ZIP code 78681 sits within Williamson County, TX, 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: 35 violent incidents and 298 property incidents per 100,000 residents in 2024, per county-level agency submissions.
ZIP 78681 carries a Census-reported population of 57,760, ranking #4 of 19 ZIPs in Williamson County, spread across 23.19 square miles (about 2,491 people per square mile). For a full breakdown of Williamson County's crime categories and year-over-year trend, see the Williamson County crime page linked below.
ZIP 78681 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Williamson County agency submissions; see methodology for the ZCTA plurality map. Methodology.
ZIP 78681 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
- $123,948
- Median age
- 39.4 years
- Owner-occupied homes
- 74%
- Occupied homes
- 20,005
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 78681?
Within the participating-agency records for Williamson County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 90% below and property crime is 83% 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 78681. 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 78681 sits near the middle of Williamson County's ZIP population ordering (#4 of 19). The county comparison is useful regional context, but it cannot say how reported incidents are distributed within this postal area.
Williamson County UCR book ZIP 78681 inherits
ZIP 78681 itself is about 2,491 people per Census sq mi across 23.2 sq mi (57,760 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 78681 accounts for roughly 9.5% of the county reporting population (57,760 of 609,017).
Williamson County's 2024 UCR book concentrates in larceny-theft (63% of 2,026 offenses; mix index 4,420). ZIP 78681 inherits that county mix, not a postal-native split.
Williamson County 2024 vs 2023: violent counts -3% vs 2023; property counts +13% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.
Williamson 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 78681
Similar county violent rate (~35/100K)
- ZIP 30458, GA · 34.5/100K · Bulloch County
- ZIP 53818, WI · 34.7/100K · Grant County
- ZIP 54868, WI · 34.3/100K · Barron County
- ZIP 53081, WI · 34.7/100K · Sheboygan County
Similar Census population (~57,760)
- ZIP 43015, OH · 57,745 pop · Δ15
- ZIP 60638, IL · 57,799 pop · Δ39
- ZIP 91950, CA · 57,844 pop · Δ84
- ZIP 60453, IL · 57,665 pop · Δ95
County detail: Williamson County · State atlas: Texas
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.