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US ZIP Code Profile

ZIP Code 30045
Lawrenceville, Georgia

ZIP code 30045 is in Lawrenceville, located in Gwinnett County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 42,230. The estimated median adjusted gross income per tax return is $43,382, and about 4% of filers report $200,000 or more.

2020 Population
42,230
Census ZCTA
County
Gwinnett
FIPS 13135
Median income (est.)
$43,382
IRS SOI 2022
Land Area
21.744 mi²
+ 0.325 mi² water

01Location & Geography

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

Primary CityLawrenceville, GA
CountyGwinnett County (FIPS 13135)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates33.93652, -83.927666
Land / Water Area21.744 mi² land · 0.325 mi² water

02Income & Economics

Distribution of the 20,520 individual tax returns filed in 30045 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.7%
$25K–$50K
24.9%
$50K–$75K
15.5%
$75K–$100K
9.8%
$100K–$200K
14.6%
$200K+
3.6%
The $200,000+ bracket accounts for 18% of 30045's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($43,382) 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 30045's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,382
▲ 5.9%
Filers earning $200K+
3.6%
▲ 0.7 pt
Total filers
20,520
▲ 2.7%
GET /zipc/v2/zipcodes/30045/soi?year=… $39K 2020 $41K 2021 $43K 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 30045 ZCTA.

2000
36,769
 
2010
34,402
▼ -6.4%
2020
42,230
▲ +22.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number124961
City AliasesLawrenceville

06Frequently Asked Questions

What county is ZIP code 30045 in?

ZIP code 30045 is in Gwinnett County, Georgia (county FIPS code 13135).

What city is ZIP code 30045?

The primary USPS city for 30045 is Lawrenceville, GA.

What metro area (MSA) is 30045 in?

30045 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30045?

The 2020 Census population of 30045 was 42,230 residents.

What is the median income in ZIP code 30045?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30045 is about $43,382, 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.