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US ZIP Code Profile

ZIP Code 77831
Bedias, Texas

ZIP code 77831 is in Bedias, located in Grimes County, Texas. Its 2020 Census population was 3,517. The estimated median adjusted gross income per tax return is $41,346, and about 4% of filers report $200,000 or more.

2020 Population
3,517
Census ZCTA
County
Grimes
FIPS 48185
Median income (est.)
$41,346
IRS SOI 2022
Land Area
218.605 mi²
+ 2.286 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityBedias, TX
CountyGrimes County (FIPS 48185)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.715805, -95.90831
Land / Water Area218.605 mi² land · 2.286 mi² water

02Income & Economics

Distribution of the 1,570 individual tax returns filed in 77831 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.8%
$25K–$50K
24.8%
$50K–$75K
14.0%
$75K–$100K
10.2%
$100K–$200K
13.4%
$200K+
3.8%
The $200,000+ bracket accounts for 29% of 77831's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($41,346) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77831's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,346
▲ 4.7%
Filers earning $200K+
3.8%
▼ 0.1 pt
Total filers
1,570
▲ 3.3%
GET /zipc/v2/zipcodes/77831/soi?year=… $37K 2020 $39K 2021 $41K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77831 ZCTA.

2000
2,755
 
2010
3,426
▲ +24.4%
2020
3,517
▲ +2.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number480630
City AliasesBedias, Singleton

06Frequently Asked Questions

What county is ZIP code 77831 in?

ZIP code 77831 is in Grimes County, Texas (county FIPS code 48185).

What city is ZIP code 77831?

The primary USPS city for 77831 is Bedias, TX.

What is the population of ZIP code 77831?

The 2020 Census population of 77831 was 3,517 residents.

What is the median income in ZIP code 77831?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77831 is about $41,346, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.