Cobb County, GA ZIP Codes
21 ZIP codes cover all or part of Cobb County, Georgia. The Census Bureau counts 775,208 residents in the county, with a median household income of $102,738 and a median home value of $407,200. Median household income ranges from $64,059 in 30168 to $157,335 in 30075. Its largest communities include Sandy Springs, Mableton, Marietta, Smyrna and Kennesaw.
Cobb County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 775,208 |
| Households | 295,714 |
| Median household income | $102,738 |
| Median home value | $407,200 |
| Median age | 37.5 |
| Median rent | $1,730 |
All 21 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 879,340 |
| Households (sum of ZIP codes) | 334,014 |
| Median household income, range across ZIP codes | $64,059 (30168) to $157,335 (30075) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $107,575 |
| Homeowners | 68.2% |
| Households with kids under 18 | 32.2% |
| Moved in the past year | 13.5% |
| Carrier routes in EDDM2GO's route library | 535 routes, 359,476 homes (19 of 21 ZIP codes) |
Top facts
- Highest median household income in Cobb County: 30075 ($157,335)
- Most residents: 30127 (71,626 people)
- Highest homeownership: 30068 (86.3% own their home)
- Most households with kids: 30168 (40.0% of households)
- Most new movers: 30339 (28.5% moved in last year)
- Youngest median age: 30060 (30.9 years)
- Highest median home value: 30075 ($611,500)
Every ZIP code in Cobb County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30127 | Powder Springs | 71,626 | 24,431 | $110,904 | $358,700 | 85.4% | 35.4% | 7.9% | 38 | 26,365 | 85% of its land |
| 30101 | Acworth | 62,593 | 21,672 | $110,774 | $412,400 | 79.4% | 35.7% | 8.2% | 38 | 24,986 | 68% of its land |
| 30062 | Marietta | 62,284 | 23,211 | $132,631 | $491,200 | 80.9% | 33.6% | 11.0% | 44 | 26,896 | 100% of its land |
| 30066 | Marietta | 61,761 | 22,852 | $116,074 | $403,200 | 77.1% | 33.1% | 13.2% | 37 | 25,027 | 100% of its land |
| 30144 | Kennesaw | 59,661 | 21,979 | $88,560 | $345,900 | 59.8% | 35.1% | 20.1% | 32 | 25,865 | 100% of its land |
| 30075 | Roswell | 56,263 | 21,548 | $157,335 | $611,500 | 83.1% | 33.0% | 8.2% | 37 | 23,933 | 14% of its land |
| 30080 | Smyrna | 53,316 | 24,950 | $91,957 | $450,400 | 47.3% | 24.1% | 19.8% | 32 | 28,460 | 100% of its land |
| 30064 | Marietta | 52,125 | 18,771 | $122,195 | $466,700 | 83.0% | 32.8% | 10.3% | 35 | 21,321 | 100% of its land |
| 30067 | Marietta | 47,271 | 19,463 | $83,568 | $445,900 | 43.5% | 31.9% | 24.7% | 28 | 23,496 | 100% of its land |
| 30102 | Acworth | 45,319 | 15,561 | $97,676 | $333,000 | 76.6% | 37.4% | 11.0% | 25 | 19,403 | 11% of its land |
| 30152 | Kennesaw | 44,977 | 16,541 | $126,578 | $427,500 | 79.0% | 35.3% | 10.5% | 28 | 18,065 | 100% of its land |
| 30126 | Mableton | 41,829 | 15,853 | $101,891 | $377,000 | 78.1% | 30.3% | 11.3% | 26 | 18,838 | 100% of its land |
| 30060 | Marietta | 38,499 | 12,963 | $67,510 | $316,000 | 48.6% | 33.5% | 15.6% | 24 | 16,723 | 100% of its land |
| 30008 | Marietta | 35,547 | 11,705 | $74,877 | $307,600 | 59.0% | 38.9% | 14.3% | 15 | 12,630 | 100% of its land |
| 30339 | Atlanta | 35,372 | 19,910 | $103,277 | $465,800 | 32.2% | 11.3% | 28.5% | 25 | 23,805 | 96% of its land |
| 30068 | Marietta | 33,882 | 12,849 | $150,101 | $599,400 | 86.3% | 36.0% | 10.4% | 24 | 13,726 | 100% of its land |
| 30082 | Smyrna | 27,296 | 11,050 | $120,372 | $438,700 | 75.3% | 34.5% | 14.6% | 19 | 12,699 | 100% of its land |
| 30168 | Austell | 26,612 | 9,304 | $64,059 | $241,700 | 50.0% | 40.0% | 10.5% | 14 | 10,983 | 90% of its land |
| 30106 | Austell | 23,107 | 9,401 | $68,881 | $288,100 | 55.9% | 29.3% | 11.5% | 14 | 10,258 | 98% of its land |
| 30090 | Marietta | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
| 30111 | Clarkdale | 0 | 0 | — | — | — | — | — | — | — | 100% of its land |
A ZIP code is listed for Cobb County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Sandy Springs — 107,087 residents · 4 ZIP codes
- Mableton — 77,678 residents · 2 ZIP codes
- Marietta — 62,263 residents · 8 ZIP codes
- Smyrna — 56,633 residents · 3 ZIP codes
- Kennesaw — 34,605 residents · 2 ZIP codes
- Acworth — 22,473 residents · 3 ZIP codes
- Powder Springs — 18,009 residents · 1 ZIP code
- Lithia Springs — 16,875 residents · 1 ZIP code
- Vinings — 14,390 residents · 1 ZIP code
- Fair Oaks — 9,014 residents · 3 ZIP codes
- Austell — 8,447 residents · 3 ZIP codes
- Kennesaw State University — 2,284 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Cobb County — 19 ZIP codes ranked
- ZIP codes with the highest home values in Cobb County — 19 ZIP codes ranked
- ZIP codes with the highest homeownership in Cobb County — 19 ZIP codes ranked
- ZIP codes with the most families with kids in Cobb County — 19 ZIP codes ranked
- ZIP codes with the most new movers in Cobb County — 19 ZIP codes ranked
- Youngest ZIP codes in Cobb County — 19 ZIP codes ranked
- Oldest ZIP codes in Cobb County — 19 ZIP codes ranked
- Fastest-growing ZIP codes in Cobb County — 19 ZIP codes ranked
Price a mailing to Cobb County ZIP codes
EDDM guides
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Frequently asked questions
- What ZIP codes are in Cobb County, GA?
- 30127, 30101, 30062, 30066, 30144, 30075, 30080, 30064, 30067, 30102, 30152, 30126, 30060, 30008, 30339, 30068, 30082, 30168, 30106, 30090 and 30111. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Cobb County?
- 775,208 residents in 295,714 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Cobb County?
- $102,738 for the county as a whole. Its ZIP codes range from $64,059 (30168) to $157,335 (30075).
- Which Cobb County ZIP code has the highest median household income?
- 30075, at $157,335, among ZIP codes with at least 1,000 residents. See the full ranking of Cobb County ZIP codes by income.
- How many carrier routes and mailboxes are in Cobb County?
- For the 19 of 21 ZIP codes in EDDM2GO's stored route library: 535 carrier routes reaching 359,476 residential and 23,964 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.