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US ZIP Code Profile

ZIP Code 77864
Madisonville, Texas

ZIP code 77864 is in Madisonville, located in Madison County, Texas. Its 2020 Census population was 7,243. The estimated median adjusted gross income per tax return is $36,875, and about 3% of filers report $200,000 or more.

2020 Population
7,243
Census ZCTA
County
Madison
FIPS 48313
Median income (est.)
$36,875
IRS SOI 2022
Land Area
200.657 mi²
+ 2.26 mi² water

01Location & Geography

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

Primary CityMadisonville, TX
CountyMadison County (FIPS 48313)
StateTexas (FIPS 48)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.953672, -95.90534
Land / Water Area200.657 mi² land · 2.26 mi² water

02Income & Economics

Distribution of the 3,450 individual tax returns filed in 77864 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.2%
$25K–$50K
29.0%
$50K–$75K
13.0%
$75K–$100K
7.8%
$100K–$200K
10.4%
$200K+
3.5%
The $200,000+ bracket accounts for 31% of 77864's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($36,875) 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 77864's IRS income metrics, 2020–2022.

Median income (2021→2022)
$36,875
▲ 8.1%
Filers earning $200K+
3.5%
▲ 0.6 pt
Total filers
3,450
▲ 0.0%
GET /zipc/v2/zipcodes/77864/soi?year=… $33K 2020 $34K 2021 $37K 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 77864 ZCTA.

2000
6,700
 
2010
7,647
▲ +14.1%
2020
7,243
▼ -5.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number485545
City AliasesConnor, Madisonville

06Frequently Asked Questions

What county is ZIP code 77864 in?

ZIP code 77864 is in Madison County, Texas (county FIPS code 48313).

What city is ZIP code 77864?

The primary USPS city for 77864 is Madisonville, TX.

What is the population of ZIP code 77864?

The 2020 Census population of 77864 was 7,243 residents.

What is the median income in ZIP code 77864?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77864 is about $36,875, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.