Last official estimated population of Beaufort County was 162,958 (year 2014)[1]. This was 0.051% of total US population and 3.3% of total South Carolina state population. Area of Beaufort County is 923.4 mi² (=2391.6 km²), in this year population density was 176.48 p/mi². If population growth rate would be same as in period 2010-2014 (+0.11%/yr), Beaufort County population in 2026 would be 165,152 [0].
Historical population of Beaufort County for period 1790-2014 [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
[1790-1800] +0.86 %/yr
[1800-1810] +2.4 %/yr
[1810-1820] +2.21 %/yr
[1820-1830] +1.41 %/yr
[1830-1840] -0.34 %/yr
[1840-1850] +0.81 %/yr
[1850-1860] +0.32 %/yr
[1860-1870] -1.52 %/yr
[1870-1880] -1.29 %/yr
[1880-1890] +1.24 %/yr
[1890-1900] +0.4 %/yr
[1900-1910] -1.55 %/yr
[1910-1920] -3.05 %/yr
[1920-1930] -0.21 %/yr
[1930-1940] +0.1 %/yr
[1940-1950] +2.05 %/yr
[1950-1960] +5.05 %/yr
[1960-1970] +1.47 %/yr
[1970-1980] +2.49 %/yr
[1980-1990] +2.83 %/yr
[1990-2000] +3.42 %/yr
[2000-2005] +3.19 %/yr
[2005-2010] +2.77 %/yr
[2010-2014] +0.11 %/yr
Looking for settlements in Beaufort County? Visit this page: Settlements in Beaufort County, SC
Population of Beaufort County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 5178 | 4955 | 10,133 |
| 5 to 9 | 5214 | 5059 | 10,273 |
| 10 to 14 | 4642 | 4729 | 9,371 |
| 15 to 19 | 5370 | 4401 | 9,771 |
| 20 to 24 | 7261 | 5097 | 12,358 |
| 25 to 29 | 5592 | 5231 | 10,823 |
| 30 to 34 | 4868 | 5087 | 9,955 |
| 35 to 39 | 4691 | 4501 | 9,192 |
| 40 to 44 | 4575 | 4774 | 9,349 |
| 45 to 49 | 4216 | 4697 | 8,913 |
| 50 to 54 | 4678 | 5406 | 10,084 |
| 55 to 59 | 4789 | 5957 | 10,746 |
| 60 to 64 | 5301 | 7136 | 12,437 |
| 65 to 69 | 6730 | 7819 | 14,549 |
| 70 to 74 | 5645 | 6047 | 11,692 |
| 75 to 79 | 3711 | 3774 | 7,485 |
| 80 to 84 | 2357 | 2287 | 4,644 |
| 85+ | 1611 | 2466 | 4,077 |
Beaufort 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 | 75803 | 80023 | 155,826 |
| WAC | 68828 | 69535 | 138,363 |
| WA | 67471 | 68100 | 135,571 |
| NHWAC | 59184 | 61087 | 120,271 |
| NHWA | 58036 | 59914 | 117,950 |
| BAC | 16760 | 18824 | 35,584 |
| NHBAC | 16002 | 18078 | 34,080 |
| BA | 15828 | 17818 | 33,646 |
| NHBA | 15219 | 17240 | 32,459 |
| H | 10626 | 9400 | 20,026 |
| HWAC | 9644 | 8448 | 18,092 |
| HWA | 9435 | 8186 | 17,621 |
| AAC | 1518 | 1841 | 3,359 |
| TOM | 1566 | 1668 | 3,234 |
| NHAAC | 1398 | 1682 | 3,080 |
| NHTOM | 1320 | 1370 | 2,690 |
| AA | 1051 | 1363 | 2,414 |
| NHAA | 979 | 1283 | 2,262 |
| IAC | 838 | 837 | 1,675 |
| HBAC | 758 | 746 | 1,504 |
| HBA | 609 | 578 | 1,187 |
| NHIAC | 531 | 538 | 1,069 |
| IA | 397 | 357 | 754 |
| HIAC | 307 | 299 | 606 |
| HTOM | 246 | 298 | 544 |
| NAC | 202 | 212 | 414 |
| HIA | 201 | 187 | 388 |
| NHIA | 196 | 170 | 366 |
| HAAC | 120 | 159 | 279 |
| NHNAC | 125 | 118 | 243 |
| NA | 116 | 117 | 233 |
| HNAC | 77 | 94 | 171 |
| HAA | 72 | 80 | 152 |
| HNA | 63 | 71 | 134 |
| NHNA | 53 | 46 | 99 |
• Charleston County population
53.1 mi, 
54°
• Chatham County
34.9 mi, 
221°
• Dorchester County
52.7 mi, 
18°
• Liberty County
58.9 mi, 
229°
• Effingham County
38.2 mi, 
270°
• Colleton County
33 mi, 
3°
• Bryan County
49.7 mi, 
241°
• Jasper County
20 mi, 
284°
• Hampton County
39.3 mi, 
317°
• Allendale County
58.2 mi, 317°
[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 4 South Carolina Notes
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