30126 ZIP Code — Mableton, GA

Cobb County, Georgia

ZIP code 30126 is located in Mableton, Georgia, within Cobb County. It covers approximately 20.49 square miles and serves a population of 42,865 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 770/678.

About ZIP code 30126

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $321,500. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($94,399) 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 32 minutes is near the national average.

Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.

42,865
population
20.49
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
30126 ZIP code map
Cities in ZIP code 30126

Below are the cities the US Postal Service accepts for ZIP code 30126. Using any city not on this list may result in mail delivery delays.

City Status
Mableton Preferred
Nearby ZIP codes
30168 Austell (3.2 mi) 30168 Austell (3.2 mi) 30082 Smyrna (3.2 mi) 30082 Smyrna (3.2 mi) 30106 Austell (4.5 mi) 30106 Austell (4.5 mi) 30080 Smyrna (4.6 mi) 30080 Smyrna (4.6 mi) 30336 Atlanta (5.1 mi) 30336 Atlanta (5.1 mi) 30318 Atlanta (6.2 mi) 30318 Atlanta (6.2 mi)
Demographics updated 06/2026
Population
Total population 42,865
Population density 2,092 / sq mi
State FIPS 13
County FIPS 067
Geography
Land area 20.49 sq mi
Water area 0.18 sq mi
Latitude 33.8138
Longitude -84.5503
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 28.3% 29.6% 41.5%
$50k – $100k 30.4% 30.9% 30.3%
$100k – $200k 29.0% 27.8% 21.2%
Over $200k 12.3% 11.7% 7.1%

Demographics & statistics

42,865
Population
2,092
People per sq mi
37.6
Median age
$94,399
Median household income
$47,037
Per capita income
$321,500
Median home value
$1,380
Median monthly rent
76.0%
Home ownership
8.7%
Poverty rate
6.2%
Unemployment
13,051
Housing units
44.4%
Bachelor's or higher

Age distribution

Male Female
1,629
Under 5
1,733
1,366
5–9
1,454
1,329
10–14
1,413
1,146
15–19
1,220
963
20–24
1,024
2,921
25–34
3,108
3,477
35–44
3,698
3,082
45–54
3,278
1,433
55–59
1,525
1,219
60–64
1,297
1,510
65–74
1,607
465
75–84
494
230
85+
244
← Male
Female →

Age summary

GroupCount%
Under 1810,48624.5%
18 and over32,37975.5%
65 and over4,55010.6%
Median age37.6 years

Race & ethnicity

Black or African American 39.4%
White 37.6%
Hispanic or Latino 7.9%
Two or more races 5.6%
Other race 4.9%
Asian 3.7%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
Black or African American18,32039.4%
White17,50137.6%
Hispanic or Latino3,6867.9%
Two or more races2,6225.6%
Other race2,2954.9%
Asian1,7133.7%
American Indian / Alaska Native3780.8%
Native Hawaiian / Pacific Islander360.1%

Household income

Income range This ZIP County avg State avg
Under $50k 28.3% 29.6% 41.5%
$50k – $100k 30.4% 30.9% 30.3%
$100k – $200k 29.0% 27.8% 21.2%
Over $200k 12.3% 11.7% 7.1%
Under $10k 3.0%
$10k–$15k 2.2%
$15k–$25k 3.7%
$25k–$35k 5.8%
$35k–$50k 8.6%
$50k–$75k 19.0%
$75k–$100k 10.1%
$100k–$150k 17.6%
$150k–$200k 14.5%
$200k+ 15.7%
Range% of households
Under $10k3.0%
$10k–$15k2.2%
$15k–$25k3.7%
$25k–$35k5.8%
$35k–$50k8.6%
$50k–$75k19.0%
$75k–$100k10.1%
$100k–$150k17.6%
$150k–$200k14.5%
$200k+15.7%
Median income$94,399

Housing

Home values

Under $50k 4.3%
$50k–$100k 0.7%
$100k–$150k 7.6%
$150k–$200k 10.8%
$200k–$300k 20.4%
$300k–$500k 44.9%
$500k–$1M 10.9%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$321,500
Median rent / month$1,380
Owner occupied76.0%
Renter occupied24.0%
Vacant5.9%
Single-family detached73.2%
Large apartment buildings1.2%
Mobile homes2.7%
Median rooms6.5
Avg household size (owned)2.63

Year built

Era%
2020 or later1.4%
2010–20196.6%
2000–200933.6%
1990–19999.3%
1980–19899.8%
1970–197914.6%
1960–196916.9%
1950–19596.6%
1940–19490.6%
1939 or earlier0.6%

Bedrooms

Size% of units
No bedroom (studio)0.2%
1 bedroom3.9%
2 bedrooms15.3%
3 bedrooms42.9%
4 bedrooms26.2%
5+ bedrooms11.5%

Vehicles per household

Vehicles% of households
No vehicle2.6%
1 vehicle26.2%
2 vehicles47.8%
3 or more23.5%

Heating fuel

Fuel type%
Utility gas61.1%
Electricity37.0%
Propane / LP gas1.9%

Households & families

Household typeCount%
Married-couple family8,55453.9%
Cohabiting couple8655.4%
Male householder, no spouse2,45015.4%
Female householder, no spouse4,00625.2%
Households with children under 185,33633.6%
Households with seniors (65+)3,22020.3%
Average household size2.70

Marital status

StatusMaleFemale
Never married31.3%32.0%
Married57.1%50.8%
Separated1.2%1.0%
Widowed2.2%2.6%
Divorced8.2%13.6%

Education

Less than 9th grade 4.8%
Some HS, no diploma 4.1%
HS graduate 22.1%
Some college, no degree 17.4%
Associate's degree 7.3%
Bachelor's degree 28.4%
Graduate / professional 16.0%
Metric%
HS diploma or higher91.1%
Bachelor's or higher44.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool9259.7%
Kindergarten3353.5%
Elementary school4,53747.6%
High school2,27223.8%
College / grad school1,46515.4%

Employment

Industry of employment

Education & healthcare 19.9%
Professional & management 17.4%
Retail trade 10.9%
Manufacturing 10.0%
Arts, food & hospitality 9.2%
Construction 7.7%
Finance & real estate 5.9%
Transportation & utilities 5.1%
Other services 4.2%
Public administration 3.7%
Information 3.1%
Wholesale trade 2.7%
Agriculture & mining 0.2%

Occupation

Category%
Management, business & arts46.5%
Service15.0%
Sales & office14.9%
Natural resources & construction9.2%
Production & transportation14.3%

Employment type

Type%
Private sector83.3%
Government11.2%
Self-employed5.2%
Unpaid family workers0.3%

Commute

Method%
Drive alone70.1%
Carpool9.8%
Public transit1.0%
Walk0.6%
Work from home16.9%
Other means1.5%
Avg commute (minutes)31.5

Poverty

All people 8.7%
Under 18 years 13.9%
18 and over 7.0%
Married-couple families 3.3%
Female-led households 18.2%

Income support

Source% of households
Social Security20.8%
Retirement income24.1%
Supplemental Security2.9%
Cash public assistance0.8%
Food stamps / SNAP9.9%

Health indicators

Condition%
Obesity36.4%
High blood pressure30.6%
High cholesterol26.9%
Diabetes9.5%
Heart disease4.4%
Stroke2.4%
Asthma9.0%
Arthritis19.8%
Kidney disease2.4%
Pulmonary disease4.6%
Cancer4.6%
Behavior / access%
Smoking15.7%
Binge drinking16.8%
No physical activity22.7%
Less than 7 hrs sleep36.5%
Depression18.0%
Fair or poor health13.4%
Poor mental health15.0%
Poor physical health8.6%
No health insurance20.8%
Visited doctor (checkup)74.6%
Visited dentist62.3%
Cholesterol screening90.9%
Teeth loss13.0%

Veterans & disability

VeteransCount%
Civilian veterans2,9269.0%
Disability%
Any disability9.7%
Under 183.8%
18–64 years7.1%
65 and over39.3%

Health insurance coverage

Type%
Private insurance66.3%
Public insurance28.6%
No insurance14.0%
Uninsured under 198.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,50392.2%
Spanish3,5959.1%
Other Indo-European2,9397.4%
Asian & Pacific Islander3961.0%
Other languages1680.4%

Place of birth & citizenship

OriginCount%
Native born (US)36,01584.0%
Born in same state35,53482.9%
Born in different state18,30742.7%
Foreign born4811.1%
Naturalized citizen6,85016.0%
Not a US citizen3,04544.5%

Ancestry

AncestryCount%
Italian3,3097.7%
French2,5786%
Arab1,4743.4%
Polish1500.3%
AncestryCount%
English1400.3%
German510.1%
Irish300.1%
Dutch250.1%

Technology access

Metric% of households
Computer access37.0%
Internet access98.0%

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

Frequently asked questions about ZIP code 30126

What city is ZIP code 30126 in?

ZIP code 30126 is primarily assigned to Mableton, Georgia.

What county is ZIP code 30126 in?

ZIP code 30126 falls within Cobb County, Georgia.

What is the typical home value in ZIP code 30126?

The median home value in ZIP code 30126 is $321,500.

What is the population of ZIP code 30126?

ZIP code 30126 has an estimated population of 42,865 residents, with a density of 2,092 people per square mile.

What is the median household income in ZIP code 30126?

The median household income in ZIP code 30126 is $94,399, above the national median of ~$75,000.

What timezone is ZIP code 30126 in?

ZIP code 30126 observes the EST timezone.

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