ZipCodesToGo
Georgia ZIP Codes
Tattnall County
Cobbtown, GA
30420
30420 ZIP Code — Cobbtown, GA
Tattnall County, Georgia
ZIP code 30420 is located in
Cobbtown ,
Georgia ,
within Tattnall County .
It covers approximately 66.60 square miles and serves a population of
1,755 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 912 .
About ZIP code 30420
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $139,200. Owner-occupancy sits near the national average at 56%.
Median household income is $50,214. SNAP benefit usage at 27% of households reflects economic stress in the area. 45% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 23%.
Overall, ZIP code 30420 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.
30420 ZIP code map
View map of 30420
Cities in ZIP code 30420
Below are the cities the US Postal Service accepts for ZIP code 30420. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,755
Population density
26 / sq mi
State FIPS
13
County FIPS
267
Geography
Land area
66.60 sq mi
Water area
1.55 sq mi
Latitude
32.2621
Longitude
-82.1260
Timezone
Eastern (ET)
Area code
912
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
67.2%
56.3%
41.5%
$50k – $100k
23.8%
25.9%
30.3%
$100k – $200k
8.5%
14.0%
21.2%
Over $200k
0.5%
3.9%
7.1%
Demographics & statistics
$50,214
Median household income
$139,200
Median home value
17.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 402 22.9%
18 and over 1,353 77.1%
65 and over 507 28.9%
Median age 43.1 years
Race & ethnicity
Black or African American
8%
American Indian / Alaska Native
0.3%
Group Count %
White 1,140 53.9%
Hispanic or Latino 361 17.1%
Two or more races 271 12.8%
Black or African American 170 8%
Other race 119 5.6%
Asian 48 2.3%
American Indian / Alaska Native 7 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
67.2%
56.3%
41.5%
$50k – $100k
23.8%
25.9%
30.3%
$100k – $200k
8.5%
14.0%
21.2%
Over $200k
0.5%
3.9%
7.1%
Range % of households
Under $10k 4.4%
$10k–$15k 6.0%
$15k–$25k 22.3%
$25k–$35k 12.1%
$35k–$50k 4.8%
$50k–$75k 25.9%
$75k–$100k 8.4%
$100k–$150k 10.6%
$150k–$200k 4.2%
$200k+ 1.2%
Median income $50,214
Housing
Housing overview
Metric Value
Median home value $139,200
Median rent / month $730
Owner occupied 56.0%
Renter occupied 44.0%
Vacant 20.4%
Single-family detached 68.4%
Large apartment buildings 0.0%
Mobile homes 23.4%
Median rooms 5.5
Avg household size (owned) 2.41
Year built
Era %
2020 or later 0.0%
2010–2019 3.8%
2000–2009 19.3%
1990–1999 7.2%
1980–1989 9.4%
1970–1979 20.8%
1960–1969 17.7%
1950–1959 10.6%
1940–1949 6.3%
1939 or earlier 4.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.6%
2 bedrooms 17.2%
3 bedrooms 65.1%
4 bedrooms 12.6%
5+ bedrooms 1.5%
Vehicles per household
Vehicles % of households
No vehicle 7.9%
1 vehicle 46.0%
2 vehicles 29.6%
3 or more 16.5%
Heating fuel
Fuel type %
Utility gas 3.3%
Electricity 73.2%
Propane / LP gas 21.7%
Wood 1.8%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 380 51.8%
Cohabiting couple 47 6.4%
Male householder, no spouse 134 18.3%
Female householder, no spouse 173 23.6%
Households with children under 18 266 36.2%
Households with seniors (65+) 307 41.8%
Average household size 2.33
Marital status
Status Male Female
Never married 15.0% 11.8%
Married 58.9% 54.9%
Separated 0.0% 0.0%
Widowed 15.1% 12.4%
Divorced 11.0% 20.9%
Education
Some HS, no diploma
14.3%
Some college, no degree
16.7%
Graduate / professional
5.5%
Metric %
HS diploma or higher 84.5%
Bachelor's or higher 17.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 15 7.3%
Elementary school 104 50.7%
High school 49 23.9%
College / grad school 37 18.0%
Employment
Industry of employment
Education & healthcare
26.3%
Transportation & utilities
12.9%
Finance & real estate
8.2%
Arts, food & hospitality
6.7%
Professional & management
5.5%
Agriculture & mining
2.5%
Public administration
1.6%
Occupation
Category %
Management, business & arts 28.8%
Service 29.4%
Sales & office 23.5%
Natural resources & construction 7.1%
Production & transportation 11.2%
Employment type
Type %
Private sector 79.2%
Government 14.5%
Self-employed 6.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 90.6%
Carpool 0.6%
Public transit 0.0%
Walk 3.5%
Work from home 2.4%
Other means 3.0%
Avg commute (minutes) 26.3
Poverty
Married-couple families
2.9%
Female-led households
12.5%
Income support
Source % of households
Social Security 44.7%
Retirement income 21.0%
Supplemental Security 1.4%
Cash public assistance 0.0%
Food stamps / SNAP 27.2%
Health indicators
Condition %
Obesity 35.6%
High blood pressure 39.7%
High cholesterol 36.8%
Diabetes 13.8%
Heart disease 8.8%
Stroke 4.2%
Asthma 9.8%
Arthritis 29.2%
Kidney disease 3.8%
Pulmonary disease 9.3%
Cancer 7.2%
Behavior / access %
Smoking 20.2%
Binge drinking 14.3%
No physical activity 30.5%
Less than 7 hrs sleep 35.9%
Depression 20.9%
Fair or poor health 19.7%
Poor mental health 15.8%
Poor physical health 13.1%
No health insurance 23.1%
Visited doctor (checkup) 76.3%
Visited dentist 53.2%
Cholesterol screening 89.4%
Teeth loss 20.3%
Veterans & disability
Veterans Count %
Civilian veterans 73 5.4%
Disability %
Any disability 22.8%
Under 18 16.9%
18–64 years 5.0%
65 and over 57.2%
Health insurance coverage
Type %
Private insurance 64.1%
Public insurance 48.7%
No insurance 5.2%
Uninsured under 19 1.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,509 86.0%
Spanish 66 4.4%
Other Indo-European 18 1.2%
Asian & Pacific Islander 0 0.0%
Other languages 48 3.2%
Place of birth & citizenship
Origin Count %
Native born (US) 1,679 95.7%
Born in same state 1,672 95.3%
Born in different state 1,289 73.4%
Foreign born 7 0.4%
Naturalized citizen 76 4.3%
Not a US citizen 10 13.2%
Ancestry
Ancestry Count %
French 258 14.7%
Italian 135 7.7%
Ancestry Count %
Arab 132 7.5%
Technology access
Metric % of households
Computer access 41.8%
Internet access 84.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 30420
What city is ZIP code 30420 in?
ZIP code 30420 is primarily assigned to Cobbtown, Georgia.
What county is ZIP code 30420 in?
ZIP code 30420 falls within Tattnall County, Georgia.
Does ZIP code 30420 have an older population?
29% of residents in ZIP code 30420 are 65 or older, above the national average of ~17%.
Does ZIP code 30420 have a large retiree population?
45% of households in ZIP code 30420 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 30420?
17% of residents in ZIP code 30420 live below the poverty line, above the national average.
What is the typical home value in ZIP code 30420?
The median home value in ZIP code 30420 is $139,200.
What timezone is ZIP code 30420 in?
ZIP code 30420 observes the EST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →