ZIP code · Marietta · Georgia · United States

ZIP code 30066 — Marietta

ZIP code 30066 serves Marietta, Georgia.

Postal code
30066
Single source Value from one source, not cross-checked.
City
Marietta
County
Cobb FIPS 13067
State
Georgia
Country
United States
Coordinates
34.0378, -84.5038 — precision precise (locality)
View on OpenStreetMap
Population
60,961 (ZCTA, ACS 5-year)
Population density
2,245 / sq mi
Land area
27.2 sq mi (70.3 km²) (ZCTA, ACS 5-year)
Median household income
$112,067
Per-capita income
$52,130
Median age
38.5
Households
22,667
Housing units
23,632
Median home value
$373,500
Median gross rent
$1,760 / month
Congressional district
GA-11 (119th Congress)
USDA hardiness zone
8a (10 to 15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
404, 770, 678, 470, 943 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 32°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F535765727782848480716355
Avg low °F323540485765686862514035
Precip in4.94.94.94.04.24.17.04.83.74.24.54.9

NOAA 1991–2020 climate normals from the nearest station: MABLETON 1 N (13.4 mi) · NOAA NCEI

Places in ZIP 30066

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page