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US ZIP Code Profile

ZIP Code 35643
Hillsboro, Alabama

ZIP code 35643 is in Hillsboro, located in Lawrence County, Alabama, within the Decatur metro area. Its 2020 Census population was 2,913. The estimated median adjusted gross income per tax return is $40,878.

2020 Population
2,913
Census ZCTA
County
Lawrence
FIPS 01079
Median income (est.)
$40,878
IRS SOI 2022
Land Area
80.679 mi²
+ 16.748 mi² water

01Location & Geography

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

Primary CityHillsboro, AL
CountyLawrence County (FIPS 01079)
StateAlabama (FIPS 01)
Metro Area (MSA)Decatur, AL Metro Area (19460)
Census Region / DivisionSouth Region · East South Central Division
Coordinates34.672577, -87.201935
Land / Water Area80.679 mi² land · 16.748 mi² water

02Income & Economics

Distribution of the 1,310 individual tax returns filed in 35643 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.1%
$25K–$50K
28.2%
$50K–$75K
18.3%
$75K–$100K
9.2%
$100K–$200K
12.2%
$200K+
0.0%
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 35643's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,878
▲ 8.1%
Filers earning $200K+
0.0%
▼ 1.6 pt
Total filers
1,310
▲ 1.6%
GET /zipc/v2/zipcodes/35643/soi?year=… $36K 2020 $38K 2021 $41K 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 35643 ZCTA.

2000
3,361
 
2010
2,941
▼ -12.5%
2020
2,913
▼ -1.0%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number014100
City AliasesHillsboro

06Frequently Asked Questions

What county is ZIP code 35643 in?

ZIP code 35643 is in Lawrence County, Alabama (county FIPS code 01079).

What city is ZIP code 35643?

The primary USPS city for 35643 is Hillsboro, AL.

What metro area (MSA) is 35643 in?

35643 is part of the Decatur, AL Metro Area (MSA code 19460).

What is the population of ZIP code 35643?

The 2020 Census population of 35643 was 2,913 residents.

What is the median income in ZIP code 35643?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 35643 is about $40,878. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.