Last official estimated population of McDuffie County was 21,822 (year 2014)[1]. This was 0.007% of total US population and 0.2% of total Georgia state population. Area of McDuffie County is 266.4 mi² (=689.9 km²), in this year population density was 81.92 p/mi². If population growth rate would be same as in period 2010-2014 (-0.06%/yr), McDuffie County population in 2025 would be 21,677 [0].
Historical population of McDuffie 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] -0.72 %/yr
[1890-1900] +1.1 %/yr
[1900-1910] +0.52 %/yr
[1910-1920] +1.09 %/yr
[1920-1930] -2.41 %/yr
[1930-1940] +1.9 %/yr
[1940-1950] +0.51 %/yr
[1950-1960] +0.99 %/yr
[1960-1970] +1.92 %/yr
[1970-1980] +1.96 %/yr
[1980-1990] +0.82 %/yr
[1990-2000] +0.55 %/yr
[2000-2005] +0.15 %/yr
[2005-2010] +0.42 %/yr
[2010-2014] -0.06 %/yr
Looking for settlements in McDuffie County? Visit this page: Settlements in McDuffie County, GA
Population of McDuffie County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 707 | 609 | 1,316 |
| 5 to 9 | 790 | 784 | 1,574 |
| 10 to 14 | 768 | 818 | 1,586 |
| 15 to 19 | 718 | 662 | 1,380 |
| 20 to 24 | 656 | 717 | 1,373 |
| 25 to 29 | 590 | 693 | 1,283 |
| 30 to 34 | 562 | 634 | 1,196 |
| 35 to 39 | 512 | 639 | 1,151 |
| 40 to 44 | 610 | 700 | 1,310 |
| 45 to 49 | 672 | 719 | 1,391 |
| 50 to 54 | 749 | 809 | 1,558 |
| 55 to 59 | 709 | 822 | 1,531 |
| 60 to 64 | 594 | 724 | 1,318 |
| 65 to 69 | 576 | 643 | 1,219 |
| 70 to 74 | 371 | 523 | 894 |
| 75 to 79 | 231 | 365 | 596 |
| 80 to 84 | 145 | 245 | 390 |
| 85+ | 73 | 231 | 304 |
McDuffie 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 | 9731 | 11044 | 20,775 |
| WAC | 5914 | 6512 | 12,426 |
| WA | 5789 | 6354 | 12,143 |
| NHWAC | 5682 | 6275 | 11,957 |
| NHWA | 5566 | 6126 | 11,692 |
| BAC | 4095 | 4824 | 8,919 |
| NHBAC | 4037 | 4775 | 8,812 |
| BA | 3993 | 4712 | 8,705 |
| NHBA | 3942 | 4670 | 8,612 |
| H | 302 | 293 | 595 |
| HWAC | 232 | 237 | 469 |
| HWA | 223 | 228 | 451 |
| TOM | 141 | 172 | 313 |
| NHTOM | 132 | 162 | 294 |
| IAC | 88 | 86 | 174 |
| AAC | 69 | 78 | 147 |
| NHIAC | 71 | 75 | 146 |
| NHAAC | 67 | 72 | 139 |
| AA | 52 | 57 | 109 |
| HBAC | 58 | 49 | 107 |
| NHAA | 51 | 53 | 104 |
| HBA | 51 | 42 | 93 |
| IA | 47 | 35 | 82 |
| NHIA | 32 | 27 | 59 |
| NAC | 14 | 17 | 31 |
| HIAC | 17 | 11 | 28 |
| NHNAC | 11 | 16 | 27 |
| HIA | 15 | 8 | 23 |
| HTOM | 9 | 10 | 19 |
| NA | 11 | 7 | 18 |
| NHNA | 8 | 6 | 14 |
| HAAC | 2 | 6 | 8 |
| HAA | 1 | 4 | 5 |
| HNAC | 3 | 1 | 4 |
| HNA | 3 | 1 | 4 |
• Richmond County population
24.4 mi,
110°
• Columbia County
13.5 mi,
70°
• Jefferson County
29.5 mi,
174°
• Wilkes County
25.9 mi,
322°
• McCormick County
30.1 mi,
17°
• Hancock County
33.8 mi,
244°
• Lincoln County
21.4 mi,
3°
• Warren County
13.1 mi,
250°
• Glascock County
19.2 mi,
203°
• Taliaferro County
23.8 mi,
282°
[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 50 Georgia Notes
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