30068 ZIP Code — Marietta, GA

Cobb County, Georgia

ZIP code 30068 is located in Marietta, Georgia, within Cobb County. It covers approximately 14.40 square miles and serves a population of 33,866 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 770/678.

About ZIP code 30068

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $510,700. Owner-occupancy is high at 87%, well above the national average.

The gap between median ($143,077) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 27% of workers work from home.

Educational attainment is high — 73% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 30068 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

33,866

population

14.40

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

30068 ZIP code map

Cities in ZIP code 30068

Below are the cities the US Postal Service accepts for ZIP code 30068. Using any city not on this list may result in mail delivery delays.

City	Status
Marietta	Preferred

Nearby ZIP codes

30062 Marietta (2.9 mi) 30067 Marietta (3 mi) 30328 Atlanta (3.7 mi) 30066 Marietta (5 mi) 30069 Marietta (6 mi) 30090 Marietta (6.4 mi) 30063 Marietta (6.4 mi) 30060 Marietta (6.5 mi) 30339 Atlanta (6.7 mi) 30346 Atlanta (6.8 mi) 30075 Roswell (6.8 mi) 30350 Atlanta (6.8 mi)

Demographics updated 06/2026

Population
Total population	33,866
Population density	2,352 / sq mi
State FIPS	13
County FIPS	067

Geography
Land area	14.40 sq mi
Water area	0.40 sq mi
Latitude	33.9722
Longitude	-84.4411
Timezone	Eastern (ET)
Area code	770/678

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	29.6%	41.5%
$50k – $100k	21.2%	30.9%	30.3%
$100k – $200k	31.1%	27.8%	21.2%
Over $200k	28.8%	11.7%	7.1%

Demographics & statistics

33,866

Population

2,352

People per sq mi

44.1

Median age

$143,077

Median household income

$68,527

Per capita income

$510,700

Median home value

$1,542

Median monthly rent

86.5%

Home ownership

4.9%

Poverty rate

4.2%

Unemployment

11,522

Housing units

73.1%

Bachelor's or higher

Age distribution

Male Female

957

Under 5

922

1,151

5–9

1,107

1,224

10–14

1,178

1,198

15–19

1,153

479

20–24

462

1,443

25–34

1,389

2,328

35–44

2,241

2,476

45–54

2,383

1,487

55–59

1,432

1,065

60–64

1,026

1,877

65–74

1,806

1,204

75–84

1,158

367

85+

353

← Male

Female →

Age summary

Group	Count	%
Under 18	8,278	24.4%
18 and over	25,588	75.6%
65 and over	6,765	20.0%
Median age	44.1 years

Race & ethnicity

White 73.9%

Asian 9.5%

Two or more races 6.8%

Hispanic or Latino 4.6%

Black or African American 3.6%

Other race 1.5%

American Indian / Alaska Native 0.2%

Group	Count	%
White	26,234	73.9%
Asian	3,356	9.5%
Two or more races	2,401	6.8%
Hispanic or Latino	1,647	4.6%
Black or African American	1,290	3.6%
Other race	521	1.5%
American Indian / Alaska Native	64	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	29.6%	41.5%
$50k – $100k	21.2%	30.9%	30.3%
$100k – $200k	31.1%	27.8%	21.2%
Over $200k	28.8%	11.7%	7.1%

Under $10k 3.2%

$10k–$15k 0.9%

$15k–$25k 2.7%

$25k–$35k 3.4%

$35k–$50k 5.7%

$50k–$75k 9.8%

$75k–$100k 10.2%

$100k–$150k 16.9%

$150k–$200k 12.3%

$200k+ 34.8%

Range	% of households
Under $10k	3.2%
$10k–$15k	0.9%
$15k–$25k	2.7%
$25k–$35k	3.4%
$35k–$50k	5.7%
$50k–$75k	9.8%
$75k–$100k	10.2%
$100k–$150k	16.9%
$150k–$200k	12.3%
$200k+	34.8%
Median income	$143,077

Housing

Home values

Under $50k 0.7%

$50k–$100k 0.3%

$100k–$150k 2.3%

$150k–$200k 0.7%

$200k–$300k 6.4%

$300k–$500k 38.2%

$500k–$1M 46.6%

$1M+ 4.9%

Housing overview

Metric	Value
Median home value	$510,700
Median rent / month	$1,542
Owner occupied	86.5%
Renter occupied	13.5%
Vacant	3.2%
Single-family detached	84.8%
Large apartment buildings	2.3%
Mobile homes	0.0%
Median rooms	8.1
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	0.2%
2010–2019	2.5%
2000–2009	4.9%
1990–1999	12.9%
1980–1989	33.2%
1970–1979	36.2%
1960–1969	6.4%
1950–1959	3.0%
1940–1949	0.6%
1939 or earlier	0.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	4.9%
2 bedrooms	7.8%
3 bedrooms	23.0%
4 bedrooms	42.1%
5+ bedrooms	21.8%

Vehicles per household

Vehicles	% of households
No vehicle	1.3%
1 vehicle	21.3%
2 vehicles	54.1%
3 or more	23.3%

Heating fuel

Fuel type	%
Utility gas	83.7%
Electricity	14.4%
Propane / LP gas	0.8%
Fuel oil	0.3%
Wood	0.2%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	8,718	68.0%
Cohabiting couple	359	2.8%
Male householder, no spouse	1,626	12.7%
Female householder, no spouse	2,125	16.6%
Households with children under 18	4,699	36.6%
Households with seniors (65+)	4,602	35.9%
Average household size	2.64

Marital status

Status	Male	Female
Never married	23.5%	18.7%
Married	66.6%	65.9%
Separated	1.3%	0.2%
Widowed	2.0%	6.4%
Divorced	6.6%	8.7%

Education

Less than 9th grade 0.8%

Some HS, no diploma 0.8%

HS graduate 7.5%

Some college, no degree 12.6%

Associate's degree 5.3%

Bachelor's degree 44.2%

Graduate / professional 28.8%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	73.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	861	10.2%
Kindergarten	396	4.7%
Elementary school	3,769	44.4%
High school	2,116	25.0%
College / grad school	1,338	15.8%

Employment

Industry of employment

Professional & management 25.8%

Education & healthcare 16.9%

Finance & real estate 11.2%

Retail trade 7.4%

Arts, food & hospitality 7.4%

Manufacturing 7.1%

Transportation & utilities 5.3%

Wholesale trade 5.0%

Other services 4.4%

Information 4.0%

Construction 3.6%

Public administration 1.7%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	62.8%
Service	9.0%
Sales & office	19.4%
Natural resources & construction	2.6%
Production & transportation	6.3%

Employment type

Type	%
Private sector	86.0%
Government	7.9%
Self-employed	5.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	66.8%
Carpool	5.0%
Public transit	0.3%
Walk	0.3%
Work from home	26.7%
Other means	1.0%
Avg commute (minutes)	29.4

Poverty

All people 4.9%

Under 18 years 5.1%

18 and over 4.8%

Married-couple families 2.3%

Female-led households 10.3%

Income support

Source	% of households
Social Security	31.5%
Retirement income	23.6%
Supplemental Security	1.2%
Cash public assistance	1.2%
Food stamps / SNAP	1.3%

Health indicators

Condition	%
Obesity	28.5%
High blood pressure	30.2%
High cholesterol	32.7%
Diabetes	8.4%
Heart disease	5.1%
Stroke	2.1%
Asthma	7.6%
Arthritis	22.9%
Kidney disease	2.4%
Pulmonary disease	4.2%
Cancer	7.1%

Behavior / access	%
Smoking	9.6%
Binge drinking	16.2%
No physical activity	15.9%
Less than 7 hrs sleep	29.1%
Depression	16.9%
Fair or poor health	8.8%
Poor mental health	11.6%
Poor physical health	7.0%
No health insurance	11.4%
Visited doctor (checkup)	76.1%
Visited dentist	75.2%
Cholesterol screening	94.3%
Teeth loss	6.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,631	6.4%

Disability	%
Any disability	7.4%
Under 18	0.9%
18–64 years	5.7%
65 and over	20.4%

Health insurance coverage

Type	%
Private insurance	87.2%
Public insurance	22.5%
No insurance	3.3%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,987	94.5%
Spanish	1,143	3.6%
Other Indo-European	293	0.9%
Asian & Pacific Islander	299	0.9%
Other languages	542	1.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,448	84.0%
Born in same state	28,075	82.9%
Born in different state	12,603	37.2%
Foreign born	373	1.1%
Naturalized citizen	5,418	16.0%
Not a US citizen	3,103	57.3%

Ancestry

Ancestry	Count	%
French	6,741	19.9%
Italian	3,242	9.6%
Arab	2,041	6%
English	294	0.9%
Irish	274	0.8%

Ancestry	Count	%
Dutch	162	0.5%
Polish	145	0.4%
Norwegian	117	0.3%
German	53	0.2%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	98.7%

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

Frequently asked questions about ZIP code 30068

What city is ZIP code 30068 in?

ZIP code 30068 is primarily assigned to Marietta, Georgia.

What county is ZIP code 30068 in?

ZIP code 30068 falls within Cobb County, Georgia.

How educated is the population of ZIP code 30068?

73% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 30068 mostly owner-occupied?

87% of occupied units in ZIP code 30068 are owner-occupied, well above the national average.

What is the median household income in ZIP code 30068?

The median household income in ZIP code 30068 is $143,077, above the national median of ~$75,000.

What is the typical home value in ZIP code 30068?

The median home value in ZIP code 30068 is $510,700.

What timezone is ZIP code 30068 in?

ZIP code 30068 observes the EST timezone.