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US ZIP Code Profile

ZIP Code 36320
Cottonwood, Alabama

ZIP code 36320 is in Cottonwood, located in Houston County, Alabama, within the Dothan metro area. Its 2020 Census population was 3,576. The estimated median adjusted gross income per tax return is $36,337, and about 2% of filers report $200,000 or more.

2020 Population
3,576
Census ZCTA
County
Houston
FIPS 01069
Median income (est.)
$36,337
IRS SOI 2022
Land Area
65.886 mi²
+ 0.124 mi² water

01Location & Geography

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

Primary CityCottonwood, AL
CountyHouston County (FIPS 01069)
StateAlabama (FIPS 01)
Metro Area (MSA)Dothan, AL Metro Area (20020)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.049898, -85.31922
Land / Water Area65.886 mi² land · 0.124 mi² water

02Income & Economics

Distribution of the 1,450 individual tax returns filed in 36320 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.5%
$25K–$50K
29.7%
$50K–$75K
13.8%
$75K–$100K
7.6%
$100K–$200K
10.3%
$200K+
2.1%
The $200,000+ bracket accounts for 12% of 36320's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($36,337) 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 36320's IRS income metrics, 2020–2022.

Median income (2021→2022)
$36,337
▲ 9.6%
Filers earning $200K+
2.1%
▲ 0.1 pt
Total filers
1,450
▼ 3.3%
GET /zipc/v2/zipcodes/36320/soi?year=… $31K 2020 $33K 2021 $36K 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 36320 ZCTA.

2000
3,196
 
2010
3,837
▲ +20.1%
2020
3,576
▼ -6.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number012090
City AliasesCottonwood, Madrid

06Frequently Asked Questions

What county is ZIP code 36320 in?

ZIP code 36320 is in Houston County, Alabama (county FIPS code 01069).

What city is ZIP code 36320?

The primary USPS city for 36320 is Cottonwood, AL.

What metro area (MSA) is 36320 in?

36320 is part of the Dothan, AL Metro Area (MSA code 20020).

What is the population of ZIP code 36320?

The 2020 Census population of 36320 was 3,576 residents.

What is the median income in ZIP code 36320?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36320 is about $36,337, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.