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US ZIP Code Profile

ZIP Code 30009
Alpharetta, Georgia

ZIP code 30009 is in Alpharetta, located in Fulton County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 19,256. The estimated median adjusted gross income per tax return is $86,694, and about 23% of filers report $200,000 or more.

2020 Population
19,256
Census ZCTA
County
Fulton
FIPS 13121
Median income (est.)
$86,694
IRS SOI 2022
Land Area
9.596 mi²
+ 0.078 mi² water

01Location & Geography

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

Primary CityAlpharetta, GA
CountyFulton County (FIPS 13121)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates34.078136, -84.30342
Land / Water Area9.596 mi² land · 0.078 mi² water

02Income & Economics

Distribution of the 10,450 individual tax returns filed in 30009 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.8%
$25K–$50K
13.3%
$50K–$75K
11.8%
$75K–$100K
8.9%
$100K–$200K
21.8%
$200K+
23.4%
The $200,000+ bracket accounts for 72% of 30009's total adjusted gross income, from 23% of returns — a concentration that drives the gap between the median ($86,694) 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 30009's IRS income metrics, 2020–2022.

Median income (2021→2022)
$86,694
▲ 5.7%
Filers earning $200K+
23.4%
▲ 1.3 pt
Total filers
10,450
▲ 0.9%
GET /zipc/v2/zipcodes/30009/soi?year=… $71K 2020 $82K 2021 $87K 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 30009 ZCTA.

2010
13,722
 
2020
19,256
▲ +40.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number120187
City AliasesAlpharetta, Milton

06Frequently Asked Questions

What county is ZIP code 30009 in?

ZIP code 30009 is in Fulton County, Georgia (county FIPS code 13121).

What city is ZIP code 30009?

The primary USPS city for 30009 is Alpharetta, GA.

What metro area (MSA) is 30009 in?

30009 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30009?

The 2020 Census population of 30009 was 19,256 residents.

What is the median income in ZIP code 30009?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30009 is about $86,694, with around 23% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.