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US ZIP Code Profile

ZIP Code 30739
Rock Spring, Georgia

ZIP code 30739 is in Rock Spring, located in Walker County, Georgia, within the Chattanooga metro area. Its 2020 Census population was 6,335. The estimated median adjusted gross income per tax return is $55,000, and about 4% of filers report $200,000 or more.

2020 Population
6,335
Census ZCTA
County
Walker
FIPS 13295
Median income (est.)
$55,000
IRS SOI 2022
Land Area
25.06 mi²
+ 0.061 mi² water

01Location & Geography

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

Primary CityRock Spring, GA
CountyWalker County (FIPS 13295)
StateGeorgia (FIPS 13)
Metro Area (MSA)Chattanooga, TN-GA Metro Area (16860)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates34.805904, -85.21596
Land / Water Area25.06 mi² land · 0.061 mi² water

02Income & Economics

Distribution of the 2,520 individual tax returns filed in 30739 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.0%
$25K–$50K
21.8%
$50K–$75K
15.9%
$75K–$100K
11.9%
$100K–$200K
21.0%
$200K+
4.4%
The $200,000+ bracket accounts for 19% of 30739's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($55,000) 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 30739's IRS income metrics, 2020–2022.

Median income (2021→2022)
$55,000
▲ 10.5%
Filers earning $200K+
4.4%
▲ 1.6 pt
Total filers
2,520
▲ 0.4%
GET /zipc/v2/zipcodes/30739/soi?year=… $48K 2020 $50K 2021 $55K 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 30739 ZCTA.

2000
3,708
 
2010
5,571
▲ +50.2%
2020
6,335
▲ +13.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number127513
City AliasesRock Spring

06Frequently Asked Questions

What county is ZIP code 30739 in?

ZIP code 30739 is in Walker County, Georgia (county FIPS code 13295).

What city is ZIP code 30739?

The primary USPS city for 30739 is Rock Spring, GA.

What metro area (MSA) is 30739 in?

30739 is part of the Chattanooga, TN-GA Metro Area (MSA code 16860).

What is the population of ZIP code 30739?

The 2020 Census population of 30739 was 6,335 residents.

What is the median income in ZIP code 30739?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30739 is about $55,000, 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.