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ZIP Code 77531
Richwood, TX, Brazoria County
Population
16,406
Land area
11.7sq mi
People per sq mi
1,396
City
Richwood
ZIP 77531 and nearby ZIP codes
ZIP 77531 at a glance
- ZIP 77531 (Richwood) is about 12 times as dense as Texas as a whole.
- Households here earn a median of $73,240 a year, 7% less than the Texas figure of $78,476.
- A typical owner-occupied home is valued at $260,800 (8% below Texas) and median rent is $1,178 a month.
Local data for ZIP 77531
Counts from official public data
Housing and community stats
ZIP 77531, American Community Survey 2020-2024
Median household income
$73,240
Poverty rate
8.4%
Median home value
$260,800
Prices +2.3% in a year
Median rent
$1,178/mo
Homeownership
52.3%
Bachelor's or higher
17.3%
Median age
32.2
Average commute
20.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
323
ZIP Business Patterns 2023
Employees
6,130
$391M annual payroll
PPP loans
$44M
426 loans
Campaign donations
$20.1K
19% D, 50% R, 2026 cycle
Environment and hazard risk
ZIP 77531, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: tornado
Storm events since 1996
515
Countywide, mostly thunderstorm wind
Flood insurance policies
27,418
22.5% of homes, county
July high / Jan low
92° / 46°F
49.9 inches of rain a year
Health statistics
Share of adults in ZIP 77531, CDC PLACES estimates
Obesity
38.2%
U.S. 33.3% +4.9 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
12.9%
U.S. 12.8% about the same
Uninsured (18-64)
22.1%
U.S. 11.1% +11.0 pts
Frequently asked questions
- What city is ZIP code 77531?
- ZIP code 77531 is in Richwood, TX (Brazoria County).
- What county is ZIP code 77531 in?
- ZIP code 77531 is mostly in Brazoria County, Texas.
- How many people live in ZIP code 77531?
- About 16,406 people live in the 77531 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.