There are 33 cities in DeKalb County, Georgia.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Atlanta | 1 | 514,465 | 499,896 | 0.71% | 3,804 | 135.3 | City |
| Sandy Springs | 2 | 105,001 | 108,167 | -0.75% | 2,788 | 37.7 | City |
| Stonecrest | 3 | 61,147 | 59,266 | 0.78% | 1,635 | 37.4 | City |
| Brookhaven | 4 | 58,323 | 56,809 | 0.65% | 4,754 | 12.3 | City |
| Dunwoody | 5 | 51,746 | 51,614 | 0.06% | 3,973 | 13.0 | City |
| Peachtree Corners | 6 | 42,101 | 42,239 | -0.08% | 2,613 | 16.1 | City |
| East Point | 7 | 38,017 | 38,409 | -0.26% | 2,580 | 14.7 | City |
| Tucker | 8 | 36,915 | 37,155 | -0.16% | 1,826 | 20.2 | City |
| Chamblee | 9 | 32,384 | 30,211 | 1.7% | 4,210 | 7.7 | City |
| Redan | 10 | 31,044 | 34,870 | -0.45% | 3,838 | 8.1 | CDP |
| Decatur | 11 | 24,107 | 24,907 | -0.82% | 5,234 | 4.6 | City |
| Candler-McAfee | 12 | 22,654 | 24,419 | -0.11% | 3,253 | 7.0 | CDP |
| Snellville | 13 | 22,557 | 20,596 | 2.22% | 2,150 | 10.5 | City |
| Conyers | 14 | 20,208 | 17,396 | 3.6% | 1,718 | 11.8 | City |
| Forest Park | 15 | 19,229 | 19,783 | -0.72% | 2,086 | 9.2 | City |
| North Decatur | 16 | 17,264 | 15,833 | 0.24% | 3,515 | 4.9 | CDP |
| North Druid Hills | 17 | 16,957 | 18,074 | -0.83% | 4,311 | 3.9 | CDP |
| Lilburn | 18 | 16,387 | 14,285 | 3.31% | 2,428 | 6.7 | City |
| Belvedere Park | 19 | 14,459 | 15,028 | -0.34% | 2,952 | 4.9 | CDP |
| Clarkston | 20 | 14,283 | 14,733 | -0.78% | 7,741 | 1.8 | City |
| Mountain Park | 21 | 13,631 | 13,176 | 1.1% | 2,353 | 5.8 | CDP |
| Doraville | 22 | 10,835 | 10,615 | 0.51% | 2,167 | 5.0 | City |
| Scottdale | 23 | 10,555 | 11,196 | -0.06% | 3,173 | 3.3 | CDP |
| Panthersville | 24 | 9,105 | 10,164 | -0.5% | 2,483 | 3.7 | CDP |
| Gresham Park | 25 | 7,880 | 9,148 | 0.41% | 2,807 | 2.8 | CDP |
| Druid Hills | 26 | 7,450 | 8,525 | -6.4% | 2,496 | 3.0 | CDP |
| Stone Mountain | 27 | 6,504 | 6,700 | -0.75% | 3,939 | 1.7 | City |
| Conley | 28 | 5,836 | 6,645 | -0.48% | 3,021 | 1.9 | CDP |
| Avondale Estates | 29 | 3,512 | 3,558 | -0.34% | 2,872 | 1.2 | City |
| Lakeview Estates | 30 | 2,717 | 2,546 | 0.04% | 5,348 | 0.5 | CDP |
| Lithonia | 31 | 2,557 | 2,660 | -1.01% | 2,755 | 0.9 | City |
| Milstead | 32 | 945 | 727 | 7.63% | 2,162 | 0.4 | CDP |
| Pine Lake | 33 | 741 | 771 | -1.07% | 3,127 | 0.2 | City |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Atlanta is the largest city in DeKalb County.
Pine Lake is the smallest city in DeKalb County.
There are 33 cities in DeKalb County, Georgia.