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US ZIP Code Profile

ZIP Code 35601
Decatur, Alabama

ZIP code 35601 is in Decatur, located in Morgan County, Alabama, within the Decatur metro area. Its 2020 Census population was 34,958. The estimated median adjusted gross income per tax return is $36,756, and about 3% of filers report $200,000 or more.

2020 Population
34,958
Census ZCTA
County
Morgan
FIPS 01103
Median income (est.)
$36,756
IRS SOI 2022
Land Area
28.221 mi²
+ 6.223 mi² water

01Location & Geography

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

Primary CityDecatur, AL
CountyMorgan County (FIPS 01103)
StateAlabama (FIPS 01)
Metro Area (MSA)Decatur, AL Metro Area (19460)
Census Region / DivisionSouth Region · East South Central Division
Coordinates34.606915, -87.01353
Land / Water Area28.221 mi² land · 6.223 mi² water

02Income & Economics

Distribution of the 13,570 individual tax returns filed in 35601 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.9%
$25K–$50K
32.2%
$50K–$75K
14.1%
$75K–$100K
7.2%
$100K–$200K
8.6%
$200K+
2.9%
The $200,000+ bracket accounts for 24% of 35601's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($36,756) 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 35601's IRS income metrics, 2020–2022.

Median income (2021→2022)
$36,756
▲ 9.0%
Filers earning $200K+
2.9%
▲ 0.0 pt
Total filers
13,570
▼ 0.9%
GET /zipc/v2/zipcodes/35601/soi?year=… $32K 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 35601 ZCTA.

2000
34,859
 
2010
34,434
▼ -1.2%
2020
34,958
▲ +1.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number012380
City AliasesDecatur

06Frequently Asked Questions

What county is ZIP code 35601 in?

ZIP code 35601 is in Morgan County, Alabama (county FIPS code 01103).

What city is ZIP code 35601?

The primary USPS city for 35601 is Decatur, AL.

What metro area (MSA) is 35601 in?

35601 is part of the Decatur, AL Metro Area (MSA code 19460).

What is the population of ZIP code 35601?

The 2020 Census population of 35601 was 34,958 residents.

What is the median income in ZIP code 35601?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 35601 is about $36,756, 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.