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US ZIP Code Profile

ZIP Code 30420
Cobbtown, Georgia

ZIP code 30420 is in Cobbtown, located in Tattnall County, Georgia. Its 2020 Census population was 1,921. The estimated median adjusted gross income per tax return is $38,043.

2020 Population
1,921
Census ZCTA
County
Tattnall
FIPS 13267
Median income (est.)
$38,043
IRS SOI 2022
Land Area
37.891 mi²
+ 0.83 mi² water

01Location & Geography

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

Primary CityCobbtown, GA
CountyTattnall County (FIPS 13267)
StateGeorgia (FIPS 13)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.28842, -82.15273
Land / Water Area37.891 mi² land · 0.83 mi² water

02Income & Economics

Distribution of the 780 individual tax returns filed in 30420 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.6%
$25K–$50K
29.5%
$50K–$75K
15.4%
$75K–$100K
7.7%
$100K–$200K
12.8%
$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 30420's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,043
▲ 10.7%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
780
▲ 0.0%
GET /zipc/v2/zipcodes/30420/soi?year=… $31K 2020 $34K 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 30420 ZCTA.

2000
2,010
 
2010
1,460
▼ -27.4%
2020
1,921
▲ +31.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number121870
City AliasesAline, Cobbtown

06Frequently Asked Questions

What county is ZIP code 30420 in?

ZIP code 30420 is in Tattnall County, Georgia (county FIPS code 13267).

What city is ZIP code 30420?

The primary USPS city for 30420 is Cobbtown, GA.

What is the population of ZIP code 30420?

The 2020 Census population of 30420 was 1,921 residents.

What is the median income in ZIP code 30420?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30420 is about $38,043. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.