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US ZIP Code Profile

ZIP Code 35906
Rainbow City, Alabama

ZIP code 35906 is in Rainbow City, located in Etowah County, Alabama, within the Gadsden metro area. Its 2020 Census population was 10,444. The estimated median adjusted gross income per tax return is $43,114, and about 4% of filers report $200,000 or more.

2020 Population
10,444
Census ZCTA
County
Etowah
FIPS 01055
Median income (est.)
$43,114
IRS SOI 2022
Land Area
35.074 mi²
+ 2.561 mi² water

01Location & Geography

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

Primary CityRainbow City, AL
CountyEtowah County (FIPS 01055)
StateAlabama (FIPS 01)
Metro Area (MSA)Gadsden, AL Metro Area (23460)
Census Region / DivisionSouth Region · East South Central Division
Coordinates33.92715, -86.095116
Land / Water Area35.074 mi² land · 2.561 mi² water

02Income & Economics

Distribution of the 4,590 individual tax returns filed in 35906 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.4%
$25K–$50K
25.7%
$50K–$75K
15.5%
$75K–$100K
9.4%
$100K–$200K
14.4%
$200K+
3.7%
The $200,000+ bracket accounts for 24% of 35906's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($43,114) 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 35906's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,114
▲ 6.8%
Filers earning $200K+
3.7%
▲ 0.4 pt
Total filers
4,590
▲ 0.4%
GET /zipc/v2/zipcodes/35906/soi?year=… $39K 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 35906 ZCTA.

2000
8,839
 
2010
9,897
▲ +12.0%
2020
10,444
▲ +5.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortD
USPS Finance Number013330
City AliasesGadsden, Rbc, Rainbow City

06Frequently Asked Questions

What county is ZIP code 35906 in?

ZIP code 35906 is in Etowah County, Alabama (county FIPS code 01055).

What city is ZIP code 35906?

The primary USPS city for 35906 is Rainbow City, AL.

What metro area (MSA) is 35906 in?

35906 is part of the Gadsden, AL Metro Area (MSA code 23460).

What is the population of ZIP code 35906?

The 2020 Census population of 35906 was 10,444 residents.

What is the median income in ZIP code 35906?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 35906 is about $43,114, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.