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US ZIP Code Profile

ZIP Code 30122
Lithia Springs, Georgia

ZIP code 30122 is in Lithia Springs, located in Douglas County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 24,044. The estimated median adjusted gross income per tax return is $38,037, and about 2% of filers report $200,000 or more.

2020 Population
24,044
Census ZCTA
County
Douglas
FIPS 13097
Median income (est.)
$38,037
IRS SOI 2022
Land Area
24.08 mi²
+ 0.127 mi² water

01Location & Geography

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

Primary CityLithia Springs, GA
CountyDouglas County (FIPS 13097)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates33.76691, -84.64136
Land / Water Area24.08 mi² land · 0.127 mi² water

02Income & Economics

Distribution of the 11,640 individual tax returns filed in 30122 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.4%
$25K–$50K
30.0%
$50K–$75K
17.1%
$75K–$100K
7.7%
$100K–$200K
9.2%
$200K+
1.6%
The $200,000+ bracket accounts for 10% of 30122's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($38,037) 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 30122's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,037
▲ 6.7%
Filers earning $200K+
1.6%
▲ 0.2 pt
Total filers
11,640
▲ 2.3%
GET /zipc/v2/zipcodes/30122/soi?year=… $35K 2020 $36K 2021 $38K 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 30122 ZCTA.

2000
16,207
 
2010
21,561
▲ +33.0%
2020
24,044
▲ +11.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number125159
City AliasesLithia Spgs, Lithia Springs

06Frequently Asked Questions

What county is ZIP code 30122 in?

ZIP code 30122 is in Douglas County, Georgia (county FIPS code 13097).

What city is ZIP code 30122?

The primary USPS city for 30122 is Lithia Springs, GA.

What metro area (MSA) is 30122 in?

30122 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30122?

The 2020 Census population of 30122 was 24,044 residents.

What is the median income in ZIP code 30122?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30122 is about $38,037, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.