30066 ZIP Code — Marietta, GA

Cobb County, Georgia

ZIP code 30066 is located in Marietta, Georgia, within Cobb County. It covers approximately 27.16 square miles and serves a population of 60,795 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 770/678.

About ZIP code 30066

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $351,200. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($108,309) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is high — 51% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 30066 reflects a community defined by a highly educated population and high homeownership.

60,795

population

27.16

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

30066 ZIP code map

Cities in ZIP code 30066

Below are the cities the US Postal Service accepts for ZIP code 30066. Using any city not on this list may result in mail delivery delays.

City	Status
Marietta	Preferred

Nearby ZIP codes

30062 Marietta (2.1 mi) 30068 Marietta (5 mi) 30144 Kennesaw (5.6 mi) 30090 Marietta (5.7 mi) 30063 Marietta (5.7 mi) 30067 Marietta (6.7 mi) 30060 Marietta (7.1 mi) 30075 Roswell (7.3 mi) 30188 Woodstock (7.3 mi) 30188 Woodstock (7.3 mi) 30069 Marietta (7.7 mi) 30189 Woodstock (8.3 mi)

Demographics updated 05/2026

Population
Total population	60,795
Population density	2,238 / sq mi
State FIPS	13
County FIPS	067

Geography
Land area	27.16 sq mi
Water area	0.26 sq mi
Latitude	34.0244
Longitude	-84.5004
Timezone	Eastern (ET)
Area code	770/678

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.0%	29.6%	41.5%
$50k – $100k	29.1%	30.9%	30.3%
$100k – $200k	36.0%	27.8%	21.2%
Over $200k	11.9%	11.7%	7.1%

Demographics & statistics

60,795

Population

2,238

People per sq mi

39.3

Median age

$108,309

Median household income

$49,672

Per capita income

$351,200

Median home value

$1,675

Median monthly rent

76.4%

Home ownership

8.1%

Poverty rate

5.4%

Unemployment

17,928

Housing units

51.2%

Bachelor's or higher

Age distribution

Male Female

1,426

Under 5

1,503

1,848

5–9

1,948

2,100

10–14

2,212

2,095

15–19

2,207

1,823

20–24

1,920

3,866

25–34

4,073

4,043

35–44

4,260

4,191

45–54

4,417

2,211

55–59

2,329

1,904

60–64

2,006

2,453

65–74

2,585

1,261

75–84

1,328

383

85+

403

← Male

Female →

Age summary

Group	Count	%
Under 18	13,454	22.1%
18 and over	47,341	77.9%
65 and over	8,413	13.8%
Median age	39.3 years

Race & ethnicity

White 59.5%

Black or African American 14.9%

Hispanic or Latino 8.4%

Two or more races 7.6%

Asian 6.2%

Other race 3.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	39,502	59.5%
Black or African American	9,872	14.9%
Hispanic or Latino	5,599	8.4%
Two or more races	5,026	7.6%
Asian	4,085	6.2%
Other race	2,199	3.3%
American Indian / Alaska Native	95	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.0%	29.6%	41.5%
$50k – $100k	29.1%	30.9%	30.3%
$100k – $200k	36.0%	27.8%	21.2%
Over $200k	11.9%	11.7%	7.1%

Under $10k 2.3%

$10k–$15k 2.1%

$15k–$25k 4.5%

$25k–$35k 4.5%

$35k–$50k 7.6%

$50k–$75k 13.4%

$75k–$100k 10.9%

$100k–$150k 22.3%

$150k–$200k 13.9%

$200k+ 18.6%

Range	% of households
Under $10k	2.3%
$10k–$15k	2.1%
$15k–$25k	4.5%
$25k–$35k	4.5%
$35k–$50k	7.6%
$50k–$75k	13.4%
$75k–$100k	10.9%
$100k–$150k	22.3%
$150k–$200k	13.9%
$200k+	18.6%
Median income	$108,309

Housing

Home values

Under $50k 1.2%

$50k–$100k 0.4%

$100k–$150k 1.2%

$150k–$200k 4.4%

$200k–$300k 29.0%

$300k–$500k 43.6%

$500k–$1M 19.2%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$351,200
Median rent / month	$1,675
Owner occupied	76.4%
Renter occupied	23.6%
Vacant	3.4%
Single-family detached	84.9%
Large apartment buildings	5.4%
Mobile homes	0.0%
Median rooms	7.3
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	0.2%
2010–2019	9.6%
2000–2009	10.5%
1990–1999	17.7%
1980–1989	35.1%
1970–1979	15.9%
1960–1969	8.3%
1950–1959	2.6%
1940–1949	0.1%
1939 or earlier	0.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	5.0%
2 bedrooms	9.5%
3 bedrooms	35.2%
4 bedrooms	33.6%
5+ bedrooms	16.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	25.0%
2 vehicles	47.6%
3 or more	25.7%

Heating fuel

Fuel type	%
Utility gas	78.4%
Electricity	20.6%
Propane / LP gas	0.9%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	12,737	56.7%
Cohabiting couple	1,172	5.2%
Male householder, no spouse	2,844	12.7%
Female householder, no spouse	5,697	25.4%
Households with children under 18	7,429	33.1%
Households with seniors (65+)	5,873	26.2%
Average household size	2.70

Marital status

Status	Male	Female
Never married	32.8%	28.8%
Married	55.7%	50.0%
Separated	1.1%	0.6%
Widowed	1.8%	5.9%
Divorced	8.8%	14.6%

Education

Less than 9th grade 2.5%

Some HS, no diploma 3.0%

HS graduate 16.4%

Some college, no degree 19.9%

Associate's degree 7.0%

Bachelor's degree 31.9%

Graduate / professional 19.4%

Metric	%
HS diploma or higher	94.5%
Bachelor's or higher	51.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	945	5.8%
Kindergarten	774	4.8%
Elementary school	6,514	40.2%
High school	3,633	22.4%
College / grad school	4,352	26.8%

Employment

Industry of employment

Education & healthcare 21.1%

Professional & management 17.3%

Retail trade 11.4%

Arts, food & hospitality 9.8%

Finance & real estate 9.5%

Manufacturing 8.0%

Construction 6.1%

Other services 6.1%

Transportation & utilities 4.0%

Information 2.5%

Public administration 2.1%

Wholesale trade 1.8%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	51.1%
Service	12.6%
Sales & office	21.2%
Natural resources & construction	6.7%
Production & transportation	8.3%

Employment type

Type	%
Private sector	84.6%
Government	9.3%
Self-employed	5.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	72.6%
Carpool	6.5%
Public transit	0.2%
Walk	2.0%
Work from home	16.5%
Other means	2.2%
Avg commute (minutes)	29.4

Poverty

All people 8.1%

Under 18 years 7.8%

18 and over 8.1%

Married-couple families 2.2%

Female-led households 10.4%

Income support

Source	% of households
Social Security	24.3%
Retirement income	23.6%
Supplemental Security	2.4%
Cash public assistance	1.4%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	31.1%
High blood pressure	29.2%
High cholesterol	30.6%
Diabetes	8.6%
Heart disease	4.8%
Stroke	2.2%
Asthma	8.2%
Arthritis	21.4%
Kidney disease	2.3%
Pulmonary disease	4.6%
Cancer	5.8%

Behavior / access	%
Smoking	12.8%
Binge drinking	17.4%
No physical activity	18.6%
Less than 7 hrs sleep	32.0%
Depression	18.3%
Fair or poor health	10.4%
Poor mental health	13.6%
Poor physical health	7.8%
No health insurance	14.9%
Visited doctor (checkup)	74.3%
Visited dentist	69.6%
Cholesterol screening	92.1%
Teeth loss	8.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,104	6.6%

Disability	%
Any disability	9.7%
Under 18	3.0%
18–64 years	7.5%
65 and over	30.6%

Health insurance coverage

Type	%
Private insurance	79.3%
Public insurance	21.1%
No insurance	11.0%
Uninsured under 19	6.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	57,866	95.2%
Spanish	3,275	5.7%
Other Indo-European	1,338	2.3%
Asian & Pacific Islander	965	1.7%
Other languages	789	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	51,753	85.1%
Born in same state	50,363	82.8%
Born in different state	21,999	36.2%
Foreign born	1,390	2.3%
Naturalized citizen	9,042	14.9%
Not a US citizen	5,572	61.6%

Ancestry

Ancestry	Count	%
French	8,185	13.5%
Italian	5,704	9.4%
Arab	3,172	5.2%
English	382	0.6%
Polish	280	0.5%

Ancestry	Count	%
Irish	229	0.4%
Dutch	139	0.2%
German	115	0.2%
Norwegian	113	0.2%

Technology access

Metric	% of households
Computer access	36.9%
Internet access	99.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 30066

What part of Marietta is ZIP code 30066?

ZIP code 30066 covers a portion of Marietta, Georgia, within Cobb County.

What county is ZIP code 30066 in?

ZIP code 30066 falls within Cobb County, Georgia.

How educated is the population of ZIP code 30066?

51% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 30066?

The median home value in ZIP code 30066 is $351,200.

What is the median household income in ZIP code 30066?

The median household income in ZIP code 30066 is $108,309, above the national median of ~$75,000.

What is the population of ZIP code 30066?

ZIP code 30066 has an estimated population of 60,795 residents, with a density of 2,238 people per square mile.

What timezone is ZIP code 30066 in?

ZIP code 30066 observes the EST timezone.