PlainZIP

Marietta, GA · standard

ZIP Code 30066

Cobb County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

52,936
750/sq mi
$116,074
Median income
$403,200
Median home value
53.0%
Bachelor's or higher

The verdict

Marietta pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated and unusually populous area.

Top 11%
household income, US ZIPs
Top 20%
home value, US ZIPs
750
people per sq mi
77%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 30066 against every reporting US ZIP.

ZIP code 30066 is a densely settled ZIP (a standard USPS delivery area) in Marietta, Cobb County, Georgia, with 52,936 residents across 70.6 square miles, a density of 750 people per square mile, in the New York time zone.

ZIP 30066 skews affluent, with a median household income of $116,074 (65% above the Georgia average), while per-capita income is $53,612. Local economic indicators show a 7.4% poverty rate alongside 4.6% unemployment. Median home value sits at $403,200 (67% above the state average), median rent at $1,837 a month, and owner-occupancy at 77.1%.

This is a highly-educated ZIP: 53.0% of adults hold a bachelor's degree or higher, the median age is 38.8, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Cobb County, so you can benchmark 30066 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 30066

Top 5 sectors by establishment count in Marietta, GA

Which industries have the most business establishments in ZIP 30066.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 30066, Marietta, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

52,936

Population

70.6

Area (sq mi)

750

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 30066?

38.8

Median Age

48.5%

Male

51.5%

Female

15.8%

Foreign-Born

White 62.3%
African American 15.1%
Asian 7.0%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.7%
Hispanic or Latino 10.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$116,074

Median Household Income

+65% vs state

$53,612

Per Capita Income

7.4%

Poverty Rate

4.6%

Unemployment Rate

28.4 min

Mean Commute Time

How ZIP 30066 ranks nationally

Marietta, GA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$116,074 Top 11% higher than 89% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.2%
Bachelor's Degree or Higher 53.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

23,698

Total Housing Units

22,852

Occupied Units

846

Vacant Units

2.68

Avg Household Size

Occupancy Type

Owner 77.1%
Renter 22.9%

$403,200

Median Home Value

+67% vs state

$1,837

Median Rent

1987

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.8%

YoY Change (2024)

286

HPI Index (2000 = 100)

+186%

Total Change Since 2000

Home values in ZIP 30066 have increased 5.8% over the past year (2024). Since 2000, this ZIP has seen +186% cumulative appreciation.

Year Annual Change HPI Index
2020 +6.3% 183
2021 +13.5% 208
2022 +21.0% 251
2023 +7.8% 271
2024 +5.8% 286

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,809 business establishments in ZIP 30066, employing approximately 25,861 people with a combined annual payroll of $1,512,185,000.

1,809

Businesses

25,861

Employees

$1.5B

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 268 14.8%
Construction 226 12.5%
Retail trade 181 10.0%
Other services (except public administration) 172 9.5%
Health care and social assistance 151 8.3%
Administrative and support and waste management and remediation services 136 7.5%
Wholesale trade 128 7.1%
Accommodation and food services 128 7.1%
Real estate and rental and leasing 99 5.5%
Finance and insurance 84 4.6%
Manufacturing 62 3.4%
Transportation and warehousing 49 2.7%
Educational services 45 2.5%
Arts, entertainment, and recreation 37 2.0%
Information 33 1.8%
Management of companies and enterprises 3 0.2%
Industries not classified 3 0.2%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 30066 vs 30062 →

ZIP 30066 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 30066 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 30066 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 30066 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
30062 Marietta, GA 62,136 3.2 mi
30144 Kennesaw, GA 52,252 4.8 mi
30188 Woodstock, GA 52,380 6.6 mi
30075 Roswell, GA 52,573 7.0 mi
30068 Marietta, GA 31,595 6.2 mi
30060 Marietta, GA 34,562 8.1 mi
30067 Marietta, GA 45,182 7.5 mi
30189 Woodstock, GA 36,859 7.5 mi
30152 Kennesaw, GA 40,393 8.6 mi
30064 Marietta, GA 46,076 9.0 mi

More ZIP Codes in Cobb County

30062 standard
Marietta, GA
Pop: 62,136
30127 standard
Powder Springs, GA
Pop: 60,347
30101 standard
Acworth, GA
Pop: 54,373
30144 standard
Kennesaw, GA
Pop: 52,252
30080 standard
Smyrna, GA
Pop: 49,905
30064 standard
Marietta, GA
Pop: 46,076

Related Areas

Cobb County Marietta, GA Georgia

Frequently Asked Questions

What county is ZIP code 30066 in? ▼
ZIP code 30066 (Marietta) is located in Cobb County, Georgia. Cobb County contains multiple ZIP codes, see the full list at /counties/cobb-ga.
What is the population of ZIP code 30066? ▼
ZIP code 30066 in Marietta, GA has a population of 52,936 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 30066? ▼
The median household income in ZIP 30066 is $116,074, which is 52% above the national average of $76,288.
What is the average home value in ZIP 30066? ▼
The median home value in ZIP 30066 is $403,200, which is 45% above the national average of $278,155.
What is the demographic makeup of ZIP 30066? ▼
The largest racial group in ZIP 30066 is White at 62.3%. Hispanic or Latino residents make up 10.2% of the population.
How many businesses are in ZIP code 30066? ▼
ZIP code 30066 has 1,809 business establishments employing approximately 25,861 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 30066? ▼
The top industries by establishment count in ZIP 30066 are: Professional, scientific, and technical services (268), Construction (226), Retail trade (181). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 30066? ▼
According to the FHFA House Price Index, home values in ZIP 30066 increased by 5.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 186%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 30066? ▼
In ZIP code 30066, 69.2% of residents aged 25+ have a high school diploma or higher, and 53.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 30066? ▼
The mean commute time for workers in ZIP code 30066 is 28.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 30066? ▼
In ZIP code 30066, approximately 77.1% of occupied housing units are owner-occupied and 22.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 30066? ▼
The poverty rate in ZIP code 30066 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.