ZIP codes
19
Cobb County, GA Demographics & ZIP Codes
Cobb County, Georgia demographics and median household income by ZIP code — 19 ZIP codes — population 773,308 — avg. income $98,023 — avg. home value $368,476. Compare income, housing, and ZIP-level data on US5.
Population
773,308
Median household income (avg.)
$98,023
130% of U.S. median
Average home value
$368,476
106% of U.S. median
Average rent
$1,417
122% of U.S. median
Cobb County demographics
Cobb County, Georgia covers 19 ZIP codes, with a combined ZIP-area population of about 773,308.
Median household income in Cobb County
The average median household income across ZIP codes in Cobb County, Georgia is about $98,023 — about 47% above the GA ZIP average ($66,901), and about 30% above the U.S. median ($75,149).
Among ZIPs with income data, 30068 (Marietta) is near the top at about $142,911, while 30060 (Marietta) is near the bottom at about $62,180.
Housing in Cobb County
For housing in Cobb County, Georgia, the average median home value is about $368,476 and the average median rent is about $1,417.
The most populous ZIP is 30127 (Powder Springs) with about 72,126 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Cobb County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 30127 | Powder Springs | Cobb County | GA | 72,126 | $104,997 | $322,800 |
| 30062 | Marietta | Cobb County | GA | 63,105 | $128,981 | $456,500 |
| 30101 | Acworth | Cobb County | GA | 62,871 | $107,004 | $376,200 |
| 30066 | Marietta | Cobb County | GA | 60,961 | $112,067 | $373,500 |
| 30144 | Kennesaw | Cobb County | GA | 58,389 | $84,628 | $310,400 |
| 30080 | Smyrna | Cobb County | GA | 53,334 | $87,949 | $409,700 |
| 30064 | Marietta | Cobb County | GA | 51,321 | $118,511 | $420,300 |
| 30067 | Marietta | Cobb County | GA | 46,436 | $76,537 | $430,700 |
| 30152 | Kennesaw | Cobb County | GA | 44,432 | $121,026 | $385,300 |
| 30126 | Mableton | Cobb County | GA | 43,047 | $99,975 | $347,800 |
| 30060 | Marietta | Cobb County | GA | 39,313 | $62,180 | $282,200 |
| 30008 | Marietta | Cobb County | GA | 35,598 | $73,130 | $269,600 |
| 30339 | Vinings | Cobb County | GA | 34,872 | $101,049 | $437,300 |
| 30068 | Marietta | Cobb County | GA | 33,040 | $142,911 | $564,400 |
| 30082 | Smyrna | Cobb County | GA | 26,786 | $114,093 | $393,400 |
| 30168 | Mableton | Cobb County | GA | 24,768 | $65,646 | $229,400 |
| 30106 | Austell | Cobb County | GA | 22,909 | $65,715 | $254,600 |
| 30090 | Marietta | Cobb County | GA | — | — | — |
| 30111 | Austell | Cobb County | GA | — | — | — |
Frequently asked questions
What are the demographics of Cobb County?
Cobb County, Georgia has a combined ZIP-area population of about 773,308 across 19 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Cobb County?
The average median household income across ZIP codes in Cobb County, Georgia is about $98,023, about 47% above the state ZIP average ($66,901), and about 30% above the U.S. median ($75,149). Average median home value is about $368,476. Among ZIPs with data, 30068 (Marietta) is near the top ($142,911) and 30060 (Marietta) is near the bottom ($62,180).
How many ZIP codes are in Cobb County?
Cobb County, Georgia includes 19 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Cobb County?
This page lists ZIP codes in Cobb County, Georgia with population, median household income, and home value. Select a ZIP for a full demographics profile.