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US ZIP Code Profile

ZIP Code 30742
Fort Oglethorpe, Georgia

ZIP code 30742 is in Fort Oglethorpe, located in Catoosa County, Georgia, within the Chattanooga metro area. Its 2020 Census population was 7,698. The estimated median adjusted gross income per tax return is $40,206, and about 1% of filers report $200,000 or more.

2020 Population
7,698
Census ZCTA
County
Catoosa
FIPS 13047
Median income (est.)
$40,206
IRS SOI 2022
Land Area
3.35 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityFort Oglethorpe, GA
CountyCatoosa County (FIPS 13047)
StateGeorgia (FIPS 13)
Metro Area (MSA)Chattanooga, TN-GA Metro Area (16860)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates34.950584, -85.24324
Land / Water Area3.35 mi² land · 0 mi² water

02Income & Economics

Distribution of the 3,160 individual tax returns filed in 30742 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.3%
$25K–$50K
30.7%
$50K–$75K
17.1%
$75K–$100K
10.1%
$100K–$200K
9.5%
$200K+
1.3%
The $200,000+ bracket accounts for 9% of 30742's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($40,206) 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 30742's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,206
▲ 9.4%
Filers earning $200K+
1.3%
▲ 0.3 pt
Total filers
3,160
▼ 3.1%
GET /zipc/v2/zipcodes/30742/soi?year=… $35K 2020 $37K 2021 $40K 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 30742 ZCTA.

2000
5,835
 
2010
7,460
▲ +27.8%
2020
7,698
▲ +3.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 30742. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 30742

Fort Oglethorpe and its immediate neighbors, sorted by distance.

3 mi
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Distance from 30742 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number127590
City AliasesFort Oglethorpe, Ft Oglethorpe, Rossville

07Frequently Asked Questions

What county is ZIP code 30742 in?

ZIP code 30742 is in Catoosa County, Georgia (county FIPS code 13047).

What city is ZIP code 30742?

The primary USPS city for 30742 is Fort Oglethorpe, GA.

What metro area (MSA) is 30742 in?

30742 is part of the Chattanooga, TN-GA Metro Area (MSA code 16860).

What is the population of ZIP code 30742?

The 2020 Census population of 30742 was 7,698 residents.

What is the median income in ZIP code 30742?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30742 is about $40,206, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.