Get API Key →
US ZIP Code Profile

ZIP Code 36732
Demopolis, Alabama

ZIP code 36732 is in Demopolis, located in Marengo County, Alabama. Its 2020 Census population was 8,053. The estimated median adjusted gross income per tax return is $37,936, and about 4% of filers report $200,000 or more.

2020 Population
8,053
Census ZCTA
County
Marengo
FIPS 01091
Median income (est.)
$37,936
IRS SOI 2022
Land Area
127.976 mi²
+ 2.705 mi² water

01Location & Geography

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

Primary CityDemopolis, AL
CountyMarengo County (FIPS 01091)
StateAlabama (FIPS 01)
Census Region / DivisionSouth Region · East South Central Division
Coordinates32.437397, -87.907745
Land / Water Area127.976 mi² land · 2.705 mi² water

02Income & Economics

Distribution of the 3,350 individual tax returns filed in 36732 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.7%
$25K–$50K
25.7%
$50K–$75K
12.5%
$75K–$100K
7.8%
$100K–$200K
13.1%
$200K+
4.2%
The $200,000+ bracket accounts for 28% of 36732's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($37,936) 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 36732's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,936
▲ 6.3%
Filers earning $200K+
4.2%
▲ 0.1 pt
Total filers
3,350
▼ 2.3%
GET /zipc/v2/zipcodes/36732/soi?year=… $32K 2020 $36K 2021 $38K 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 36732 ZCTA.

2000
8,733
 
2010
8,395
▼ -3.9%
2020
8,053
▼ -4.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number012420
City AliasesDemopolis

06Frequently Asked Questions

What county is ZIP code 36732 in?

ZIP code 36732 is in Marengo County, Alabama (county FIPS code 01091).

What city is ZIP code 36732?

The primary USPS city for 36732 is Demopolis, AL.

What is the population of ZIP code 36732?

The 2020 Census population of 36732 was 8,053 residents.

What is the median income in ZIP code 36732?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36732 is about $37,936, 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.