ZIP code profile · 2024 county data

ZIP Code 77584

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)
90,364
Population (ZIP)
59
Violent rate /100K (county)

Is ZIP code 77584 safe? Honest data snapshot

ZIP code 77584 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.

ZIP 77584 is the largest ZIP in Brazoria County by population, 90,364 residents (#1 of 16 county ZIPs), across 32 square miles (2,824/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 77584 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 77584 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
$112,994
Median age
36.0 years
Owner-occupied homes
75%
Occupied homes
29,940

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 77584?

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 77584. 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, 77584 is one of the most populous ZIPs (#1 of 16). Its 90,364 residents therefore represent a comparatively large share of the local population, but the county total still combines reports from places outside this ZIP.

Brazoria County UCR book ZIP 77584 inherits

ZIP 77584 itself is about 2,824 people per Census sq mi across 32 sq mi (90,364 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 77584's 90,364 residents are about 24.3% of the 2024 county reporting population (372,031), a large postal share of a county-wide rate.

Brazoria County leans on larceny-theft at 58% of reported offenses (mix index 3,853). ZIP 77584 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 77584

Similar county violent rate (~59/100K)

Similar Census population (~90,364)

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.