ZIP code profile · 2024 county data
ZIP Code 77577
Brazoria County, Texas: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 315
- Property rate /100K (county)
- 1,106
- Population (ZIP)
- 59
- Violent rate /100K (county)
Is ZIP code 77577 safe? Honest data snapshot
ZIP code 77577 sits within Brazoria 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: 59 violent incidents and 315 property incidents per 100,000 residents in 2024, per county-level agency submissions.
With 1,106 residents, ZIP 77577 is among the smaller ZIPs in Brazoria County (#15 of 16 by population), spread across 27.81 square miles (40/sq mi). For a full breakdown of Brazoria County's crime categories and year-over-year trend, see the Brazoria County crime page linked below.
ZIP 77577 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Brazoria County agency submissions; see methodology for the ZCTA plurality map. Methodology.
ZIP 77577 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
- $61,006
- Median age
- 45.6 years
- Owner-occupied homes
- 95%
- Occupied homes
- 429
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 77577?
Within the participating-agency records for Brazoria County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 83% below and property crime is 82% 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 77577. 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, 77577 is among the smaller ZIPs by population (#15 of 16). County-wide counts are especially coarse context for a smaller postal area because most of the denominator and reported incidents may sit elsewhere in the county.
Brazoria County UCR book ZIP 77577 inherits
ZIP 77577 itself is about 40 people per Census sq mi across 27.8 sq mi (1,106 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 77577 is about 0.3% of the county reporting population (1,106 of 372,031), so most of the denominator and submitted incidents sit outside this postal code.
Brazoria County leans on larceny-theft at 58% of reported offenses (mix index 3,853). ZIP 77577 has no separate FBI offense book.
Brazoria County 2024 vs 2023: violent counts +10% vs 2023; property counts -15% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.
Brazoria 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 77577
Similar county violent rate (~59/100K)
- ZIP 72769, AR · 59.4/100K · Washington County
- ZIP 56318, MN · 59.4/100K · Todd County
- ZIP 52255, IA · 59.4/100K · Cedar County
- ZIP 57038, SD · 59.5/100K · Union County
Similar Census population (~1,106)
- ZIP 22738, VA · 1,106 pop · Δ0
- ZIP 62376, IL · 1,106 pop · Δ0
- ZIP 63561, MO · 1,106 pop · Δ0
- ZIP 56579, MN · 1,105 pop · Δ1
County detail: Brazoria 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.