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US ZIP Code Profile

ZIP Code 35677
Waterloo, Alabama

ZIP code 35677 is in Waterloo, located in Lauderdale County, Alabama, within the Florence-Muscle Shoals metro area. Its 2020 Census population was 1,808. The estimated median adjusted gross income per tax return is $43,452.

2020 Population
1,808
Census ZCTA
County
Lauderdale
FIPS 01077
Median income (est.)
$43,452
IRS SOI 2022
Land Area
109.549 mi²
+ 13.635 mi² water

01Location & Geography

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

Primary CityWaterloo, 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
Coordinates34.955708, -88.02656
Land / Water Area109.549 mi² land · 13.635 mi² water

02Income & Economics

Distribution of the 710 individual tax returns filed in 35677 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
29.6%
$50K–$75K
16.9%
$75K–$100K
9.9%
$100K–$200K
15.5%
$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 35677's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,452
▲ 7.4%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
710
▼ 1.4%
GET /zipc/v2/zipcodes/35677/soi?year=… $36K 2020 $40K 2021 $43K 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 35677 ZCTA.

2000
1,839
 
2010
1,921
▲ +4.5%
2020
1,808
▼ -5.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number018580
City AliasesWaterloo

06Frequently Asked Questions

What county is ZIP code 35677 in?

ZIP code 35677 is in Lauderdale County, Alabama (county FIPS code 01077).

What city is ZIP code 35677?

The primary USPS city for 35677 is Waterloo, AL.

What metro area (MSA) is 35677 in?

35677 is part of the Florence-Muscle Shoals, AL Metro Area (MSA code 22520).

What is the population of ZIP code 35677?

The 2020 Census population of 35677 was 1,808 residents.

What is the median income in ZIP code 35677?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 35677 is about $43,452. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.