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US ZIP Code Profile

ZIP Code 35634
Florence, Alabama

ZIP code 35634 is in Florence, located in Lauderdale County, Alabama, within the Florence-Muscle Shoals metro area. Its 2020 Census population was 10,910. The estimated median adjusted gross income per tax return is $52,734, and about 9% of filers report $200,000 or more.

2020 Population
10,910
Census ZCTA
County
Lauderdale
FIPS 01077
Median income (est.)
$52,734
IRS SOI 2022
Land Area
61.67 mi²
+ 3.472 mi² water

01Location & Geography

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

Primary CityFlorence, AL
CountyLauderdale County (FIPS 01077)
StateAlabama (FIPS 01)
Metro Area (MSA)Florence-Muscle Shoals, AL Metro Area (22520)
Census Region / DivisionSouth Region · East South Central Division
Coordinates34.92183, -87.61348
Land / Water Area61.67 mi² land · 3.472 mi² water

02Income & Economics

Distribution of the 4,700 individual tax returns filed in 35634 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.8%
$25K–$50K
21.7%
$50K–$75K
13.6%
$75K–$100K
10.6%
$100K–$200K
18.3%
$200K+
8.9%
The $200,000+ bracket accounts for 47% of 35634's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($52,734) 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 35634's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,734
▲ 7.4%
Filers earning $200K+
8.9%
▲ 1.0 pt
Total filers
4,700
▲ 0.2%
GET /zipc/v2/zipcodes/35634/soi?year=… $45K 2020 $49K 2021 $53K 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 35634 ZCTA.

2000
9,371
 
2010
9,711
▲ +3.6%
2020
10,910
▲ +12.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number013110
City AliasesFlorence

06Frequently Asked Questions

What county is ZIP code 35634 in?

ZIP code 35634 is in Lauderdale County, Alabama (county FIPS code 01077).

What city is ZIP code 35634?

The primary USPS city for 35634 is Florence, AL.

What metro area (MSA) is 35634 in?

35634 is part of the Florence-Muscle Shoals, AL Metro Area (MSA code 22520).

What is the population of ZIP code 35634?

The 2020 Census population of 35634 was 10,910 residents.

What is the median income in ZIP code 35634?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 35634 is about $52,734, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.