Get API Key →
US ZIP Code Profile

ZIP Code 31078
Roberta, Georgia

ZIP code 31078 is in Roberta, located in Crawford County, Georgia, within the Macon-Bibb County metro area. Its 2020 Census population was 3,367. The estimated median adjusted gross income per tax return is $34,659, and about 1% of filers report $200,000 or more.

2020 Population
3,367
Census ZCTA
County
Crawford
FIPS 13079
Median income (est.)
$34,659
IRS SOI 2022
Land Area
105.605 mi²
+ 0.572 mi² water

01Location & Geography

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

Primary CityRoberta, GA
CountyCrawford County (FIPS 13079)
StateGeorgia (FIPS 13)
Metro Area (MSA)Macon-Bibb County, GA Metro Area (31420)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.694813, -84.07566
Land / Water Area105.605 mi² land · 0.572 mi² water

02Income & Economics

Distribution of the 1,380 individual tax returns filed in 31078 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
37.7%
$25K–$50K
31.9%
$50K–$75K
11.6%
$75K–$100K
7.2%
$100K–$200K
10.1%
$200K+
1.5%
The $200,000+ bracket accounts for 13% of 31078's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($34,659) 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 31078's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,659
▲ 9.8%
Filers earning $200K+
1.5%
▲ 0.0 pt
Total filers
1,380
▲ 0.0%
GET /zipc/v2/zipcodes/31078/soi?year=… $30K 2020 $32K 2021 $35K 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 31078 ZCTA.

2000
3,658
 
2010
3,566
▼ -2.5%
2020
3,367
▼ -5.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number127447
City AliasesRoberta

06Frequently Asked Questions

What county is ZIP code 31078 in?

ZIP code 31078 is in Crawford County, Georgia (county FIPS code 13079).

What city is ZIP code 31078?

The primary USPS city for 31078 is Roberta, GA.

What metro area (MSA) is 31078 in?

31078 is part of the Macon-Bibb County, GA Metro Area (MSA code 31420).

What is the population of ZIP code 31078?

The 2020 Census population of 31078 was 3,367 residents.

What is the median income in ZIP code 31078?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31078 is about $34,659, 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.