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US ZIP Code Profile

ZIP Code 36830
Auburn, Alabama

ZIP code 36830 is in Auburn, located in Lee County, Alabama, within the Auburn-Opelika metro area. Its 2020 Census population was 47,543. The estimated median adjusted gross income per tax return is $57,301, and about 12% of filers report $200,000 or more.

2020 Population
47,543
Census ZCTA
County
Lee
FIPS 01081
Median income (est.)
$57,301
IRS SOI 2022
Land Area
99.648 mi²
+ 1.081 mi² water

01Location & Geography

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

Primary CityAuburn, AL
CountyLee County (FIPS 01081)
StateAlabama (FIPS 01)
Metro Area (MSA)Auburn-Opelika, AL Metro Area (12220)
Census Region / DivisionSouth Region · East South Central Division
Coordinates32.538612, -85.48971
Land / Water Area99.648 mi² land · 1.081 mi² water

02Income & Economics

Distribution of the 18,310 individual tax returns filed in 36830 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.5%
$25K–$50K
19.1%
$50K–$75K
11.7%
$75K–$100K
8.7%
$100K–$200K
21.1%
$200K+
11.8%
The $200,000+ bracket accounts for 51% of 36830's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($57,301) 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 36830's IRS income metrics, 2020–2022.

Median income (2021→2022)
$57,301
▲ 7.7%
Filers earning $200K+
11.8%
▲ 0.7 pt
Total filers
18,310
▲ 1.7%
GET /zipc/v2/zipcodes/36830/soi?year=… $49K 2020 $53K 2021 $57K 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 36830 ZCTA.

2000
27,176
 
2010
33,201
▲ +22.2%
2020
47,543
▲ +43.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number010460
City AliasesAuburn

06Frequently Asked Questions

What county is ZIP code 36830 in?

ZIP code 36830 is in Lee County, Alabama (county FIPS code 01081).

What city is ZIP code 36830?

The primary USPS city for 36830 is Auburn, AL.

What metro area (MSA) is 36830 in?

36830 is part of the Auburn-Opelika, AL Metro Area (MSA code 12220).

What is the population of ZIP code 36830?

The 2020 Census population of 36830 was 47,543 residents.

What is the median income in ZIP code 36830?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36830 is about $57,301, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.