Last official estimated population of Johnson County was 9,973 (year 2014)[1]. This was 0.003% of total US population and 0.1% of total Georgia state population. Area of Johnson County is 306.6 mi² (=794.1 km²), in this year population density was 32.53 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Johnson County population in 2025 would be 9,954 [0].
Historical population of Johnson County for period 1860-2014 [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
[1860-1870] +0.15 %/yr
[1870-1880] +4.94 %/yr
[1880-1890] +2.47 %/yr
[1890-1900] +6.41 %/yr
[1900-1910] +1.23 %/yr
[1910-1920] +0.49 %/yr
[1920-1930] -0.66 %/yr
[1930-1940] +0.21 %/yr
[1940-1950] -2.66 %/yr
[1950-1960] -2.04 %/yr
[1960-1970] -0.41 %/yr
[1970-1980] +1.15 %/yr
[1980-1990] -0.39 %/yr
[1990-2000] +0.23 %/yr
[2000-2005] +2.22 %/yr
[2005-2010] +0.96 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Johnson County? Visit this page: Settlements in Johnson County, GA
Population of Johnson County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 218 | 215 | 433 |
| 5 to 9 | 288 | 249 | 537 |
| 10 to 14 | 287 | 297 | 584 |
| 15 to 19 | 266 | 277 | 543 |
| 20 to 24 | 366 | 228 | 594 |
| 25 to 29 | 409 | 253 | 662 |
| 30 to 34 | 436 | 222 | 658 |
| 35 to 39 | 417 | 255 | 672 |
| 40 to 44 | 463 | 247 | 710 |
| 45 to 49 | 456 | 258 | 714 |
| 50 to 54 | 473 | 296 | 769 |
| 55 to 59 | 392 | 340 | 732 |
| 60 to 64 | 321 | 265 | 586 |
| 65 to 69 | 252 | 274 | 526 |
| 70 to 74 | 199 | 183 | 382 |
| 75 to 79 | 104 | 134 | 238 |
| 80 to 84 | 71 | 110 | 181 |
| 85+ | 59 | 121 | 180 |
Johnson 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 | 5354 | 4129 | 9,483 |
| WAC | 3442 | 2793 | 6,235 |
| WA | 3412 | 2748 | 6,160 |
| NHWAC | 3346 | 2718 | 6,064 |
| NHWA | 3318 | 2679 | 5,997 |
| BAC | 2016 | 1425 | 3,441 |
| NHBAC | 1993 | 1404 | 3,397 |
| BA | 1995 | 1399 | 3,394 |
| NHBA | 1972 | 1383 | 3,355 |
| H | 123 | 95 | 218 |
| HWAC | 96 | 75 | 171 |
| HWA | 94 | 69 | 163 |
| TOM | 39 | 48 | 87 |
| NHTOM | 37 | 40 | 77 |
| IAC | 26 | 34 | 60 |
| NHIAC | 22 | 28 | 50 |
| HBAC | 23 | 21 | 44 |
| AAC | 27 | 16 | 43 |
| NHAAC | 26 | 15 | 41 |
| HBA | 23 | 16 | 39 |
| AA | 16 | 12 | 28 |
| NHAA | 16 | 12 | 28 |
| IA | 13 | 15 | 28 |
| NHIA | 10 | 13 | 23 |
| NAC | 6 | 5 | 11 |
| HIAC | 4 | 6 | 10 |
| HTOM | 2 | 8 | 10 |
| NHNAC | 5 | 4 | 9 |
| HIA | 3 | 2 | 5 |
| NA | 2 | 2 | 4 |
| NHNA | 1 | 2 | 3 |
| HNAC | 1 | 1 | 2 |
| HAAC | 1 | 1 | 2 |
| HNA | 1 | 0 | 1 |
| HAA | 0 | 0 | 0 |
• Laurens County population
25.8 mi, 
216°
• Emanuel County
22.4 mi, 
108°
• Washington County
20.7 mi, 
337°
• Jefferson County
28.8 mi, 
29°
• Candler County
39.9 mi, 
120°
• Wilkinson County
30.7 mi, 
284°
• Montgomery County
36.9 mi, 
168°
• Jenkins County
40.8 mi, 
80°
• Treutlen County
20.4 mi, 
164°
• Glascock County
37 mi, 
5°
[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 46 Georgia Notes
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