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US ZIP Code Profile

ZIP Code 77830
Anderson, Texas

ZIP code 77830 is in Anderson, located in Grimes County, Texas. Its 2020 Census population was 2,836. The estimated median adjusted gross income per tax return is $55,556, and about 9% of filers report $200,000 or more.

2020 Population
2,836
Census ZCTA
County
Grimes
FIPS 48185
Median income (est.)
$55,556
IRS SOI 2022
Land Area
188.572 mi²
+ 4.936 mi² water

01Location & Geography

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

Primary CityAnderson, TX
CountyGrimes County (FIPS 48185)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.530233, -96.01299
Land / Water Area188.572 mi² land · 4.936 mi² water

02Income & Economics

Distribution of the 1,640 individual tax returns filed in 77830 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.2%
$25K–$50K
20.1%
$50K–$75K
16.5%
$75K–$100K
10.4%
$100K–$200K
18.3%
$200K+
8.5%
The $200,000+ bracket accounts for 45% of 77830's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($55,556) 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 77830's IRS income metrics, 2020–2022.

Median income (2021→2022)
$55,556
▲ 12.0%
Filers earning $200K+
8.5%
▲ 0.9 pt
Total filers
1,640
▲ 4.5%
GET /zipc/v2/zipcodes/77830/soi?year=… $47K 2020 $50K 2021 $56K 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 77830 ZCTA.

2000
2,290
 
2010
2,534
▲ +10.7%
2020
2,836
▲ +11.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number480250
City AliasesAnderson, Carlos

06Frequently Asked Questions

What county is ZIP code 77830 in?

ZIP code 77830 is in Grimes County, Texas (county FIPS code 48185).

What city is ZIP code 77830?

The primary USPS city for 77830 is Anderson, TX.

What is the population of ZIP code 77830?

The 2020 Census population of 77830 was 2,836 residents.

What is the median income in ZIP code 77830?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77830 is about $55,556, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.