Cobb County, Georgia
Cobb County covers 340 sq mi of land and has about 775,208 residents. 29 zip codes lie mainly within it, spread across 8 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
775,208
2,282/sq mi
Median household income
$103K
U.S. $81K
Median home value
$407K
U.S. $333K
Median rent
$1,730
U.S. $1,413
Median age
37.5
U.S. 38.9
Poverty rate
8.7%
U.S. 12.5%
Cities and towns
Zip codes in Cobb County
29 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 30006 | Marietta · PO box | — | — | |
| 30007 | Marietta · PO box | — | — | |
| 30008 | Marietta | 35,547 | $74,877 | |
| 30060 | Marietta | 38,499 | $67,510 | |
| 30061 | Marietta · PO box | — | — | |
| 30062 | Marietta | 62,284 | $132,631 | |
| 30063 | Marietta · PO box | — | — | |
| 30064 | Marietta | 52,125 | $122,195 | |
| 30065 | Marietta · PO box | — | — | |
| 30066 | Marietta | 61,761 | $116,074 | |
| 30067 | Marietta | 47,271 | $83,568 | |
| 30068 | Marietta | 33,882 | $150,101 | |
| 30069 | Marietta · PO box | — | — | |
| 30080 | Smyrna | 53,316 | $91,957 | |
| 30081 | Smyrna · PO box | — | — | |
| 30082 | Smyrna | 27,296 | $120,372 | |
| 30090 | Marietta | 0 | — | |
| 30101 | Acworth | 62,593 | $110,774 | |
| 30106 | Austell | 23,107 | $68,881 | |
| 30111 | Clarkdale | 0 | — | |
| 30126 | Mableton | 41,829 | $101,891 | |
| 30127 | Powder Springs | 71,626 | $110,904 | |
| 30144 | Kennesaw | 59,661 | $88,560 | |
| 30152 | Kennesaw | 44,977 | $126,578 | |
| 30156 | Kennesaw · PO box | — | — | |
| 30160 | Kennesaw · PO box | — | — | |
| 30168 | Austell | 26,612 | $64,059 | |
| 30339 | Atlanta | 35,372 | $103,277 | |
| 31144 | Kennesaw · PO box | — | — |
Cobb County at a glance
Compared with the U.S.
Household income distribution
<$25k
9%
$25–50k
12%
$50–75k
15%
$75–100k
12%
$100–150k
19%
$150–200k
12%
$200k+
20%
Highest education (adults 25+)
No diploma
7%
High school
18%
Some college
17%
Associate's
7%
Bachelor's
32%
Graduate
19%
How people get to work
Drove alone
65%
Carpooled
8%
Transit
0.6%
Walked
1%
Bicycle
0.0%
Worked from home
24%
Other
2%
At a glance
| Cobb | U.S. | |
|---|---|---|
| Own their home | 67% | 65.2% |
| Bachelor's degree or higher | 50.8% | 35.7% |
| Work from home | 23.6% | 15.1% |
| Households with broadband | 96.1% | 91% |
| Without health insurance | 12% | 8.4% |
| Foreign-born | 16.5% | 14.1% |
| Veterans (of adults) | 6.1% | 6.2% |
| Unemployment | 4.5% | 5.2% |
| Average commute | 29.4 min | 26.4 min |