Last official estimated population of Rockdale County was 85,425 (year 2014)[1]. This was 0.027% of total US population and 0.8% of total Georgia state population. Area of Rockdale County is 132.1 mi² (=342.1 km²), in this year population density was 646.68 p/mi². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Rockdale County population in 2025 would be 86,005 [0].
Historical population of Rockdale County for period 1880-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1880-1890] -0.04 %/yr
[1890-1900] +0.99 %/yr
[1900-1910] +1.72 %/yr
[1910-1920] +0.66 %/yr
[1920-1930] -2.69 %/yr
[1930-1940] +0.64 %/yr
[1940-1950] +0.92 %/yr
[1950-1960] +2.25 %/yr
[1960-1970] +5.55 %/yr
[1970-1980] +7.31 %/yr
[1980-1990] +3.94 %/yr
[1990-2000] +2.65 %/yr
[2000-2005] +2.13 %/yr
[2005-2010] +1.76 %/yr
[2010-2014] +0.06 %/yr
Looking for settlements in Rockdale County? Visit this page: Settlements in Rockdale County, GA
Population of Rockdale County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2666 | 2634 | 5,300 |
| 5 to 9 | 3164 | 3130 | 6,294 |
| 10 to 14 | 3439 | 3308 | 6,747 |
| 15 to 19 | 3294 | 3204 | 6,498 |
| 20 to 24 | 3019 | 2972 | 5,991 |
| 25 to 29 | 2533 | 2550 | 5,083 |
| 30 to 34 | 2252 | 2699 | 4,951 |
| 35 to 39 | 2210 | 2991 | 5,201 |
| 40 to 44 | 2780 | 3331 | 6,111 |
| 45 to 49 | 2871 | 3418 | 6,289 |
| 50 to 54 | 3143 | 3623 | 6,766 |
| 55 to 59 | 2903 | 3187 | 6,090 |
| 60 to 64 | 2369 | 2872 | 5,241 |
| 65 to 69 | 1964 | 2269 | 4,233 |
| 70 to 74 | 1318 | 1534 | 2,852 |
| 75 to 79 | 754 | 1027 | 1,781 |
| 80 to 84 | 500 | 722 | 1,222 |
| 85+ | 350 | 754 | 1,104 |
Rockdale County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| NH | 36826 | 42122 | 78,948 |
| BAC | 20996 | 25028 | 46,024 |
| BA | 20426 | 24338 | 44,764 |
| NHBAC | 20358 | 24343 | 44,701 |
| NHBA | 19879 | 23746 | 43,625 |
| WAC | 19851 | 20573 | 40,424 |
| WA | 19192 | 19801 | 38,993 |
| NHWAC | 15932 | 17243 | 33,175 |
| NHWA | 15381 | 16597 | 31,978 |
| H | 4703 | 4103 | 8,806 |
| HWAC | 3919 | 3330 | 7,249 |
| HWA | 3811 | 3204 | 7,015 |
| AAC | 1006 | 1097 | 2,103 |
| NHAAC | 924 | 1020 | 1,944 |
| TOM | 820 | 1000 | 1,820 |
| AA | 795 | 829 | 1,624 |
| NHAA | 747 | 796 | 1,543 |
| NHTOM | 685 | 843 | 1,528 |
| HBAC | 638 | 685 | 1,323 |
| HBA | 547 | 592 | 1,139 |
| IAC | 484 | 513 | 997 |
| NHIAC | 285 | 352 | 637 |
| IA | 249 | 210 | 459 |
| HIAC | 199 | 161 | 360 |
| HTOM | 135 | 157 | 292 |
| HIA | 148 | 103 | 251 |
| NAC | 117 | 122 | 239 |
| NHIA | 101 | 107 | 208 |
| NHNAC | 92 | 95 | 187 |
| HAAC | 82 | 77 | 159 |
| NA | 47 | 47 | 94 |
| HAA | 48 | 33 | 81 |
| NHNA | 33 | 33 | 66 |
| HNAC | 25 | 27 | 52 |
| HNA | 14 | 14 | 28 |
• Fulton County population
27.1 mi,
290°
• Gwinnett County
21.2 mi,
0°
• DeKalb County
14.1 mi,
305°
• Clayton County
20.4 mi,
248°
• Henry County
15.6 mi,
208°
• Newton County
12.4 mi,
127°
• Walton County
19.2 mi,
61°
• Barrow County
29.6 mi,
37°
• Butts County
25.3 mi,
171°
• Jasper County
30.1 mi,
139°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
See note 62 Georgia Notes
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