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US ZIP Code Profile

ZIP Code 77356
Montgomery, Texas

ZIP code 77356 is in Montgomery, located in Montgomery County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 32,136. The estimated median adjusted gross income per tax return is $73,958, and about 17% of filers report $200,000 or more.

2020 Population
32,136
Census ZCTA
County
Montgomery
FIPS 48339
Median income (est.)
$73,958
IRS SOI 2022
Land Area
130.151 mi²
+ 15.966 mi² water

01Location & Geography

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

Primary CityMontgomery, TX
CountyMontgomery County (FIPS 48339)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.465662, -95.72989
Land / Water Area130.151 mi² land · 15.966 mi² water

02Income & Economics

Distribution of the 16,470 individual tax returns filed in 77356 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.2%
$25K–$50K
15.9%
$50K–$75K
12.4%
$75K–$100K
9.7%
$100K–$200K
23.2%
$200K+
16.6%
The $200,000+ bracket accounts for 61% of 77356's total adjusted gross income, from 17% of returns — a concentration that drives the gap between the median ($73,958) 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 77356's IRS income metrics, 2020–2022.

Median income (2021→2022)
$73,958
▲ 3.8%
Filers earning $200K+
16.6%
▲ 0.8 pt
Total filers
16,470
▲ 3.4%
GET /zipc/v2/zipcodes/77356/soi?year=… $65K 2020 $71K 2021 $74K 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 77356 ZCTA.

2000
14,470
 
2010
24,498
▲ +69.3%
2020
32,136
▲ +31.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number486045
City AliasesMontgomery

06Frequently Asked Questions

What county is ZIP code 77356 in?

ZIP code 77356 is in Montgomery County, Texas (county FIPS code 48339).

What city is ZIP code 77356?

The primary USPS city for 77356 is Montgomery, TX.

What metro area (MSA) is 77356 in?

77356 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77356?

The 2020 Census population of 77356 was 32,136 residents.

What is the median income in ZIP code 77356?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77356 is about $73,958, with around 17% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.