Last official estimated population of Columbia County was 67,606 (year 2014)[1]. This was 0.021% of total US population and 0.3% of total Florida state population. Area of Columbia County is 801.3 mi² (=2075.4 km²), in this year population density was 84.37 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Columbia County population in 2026 would be 67,832 [0].
Historical population of Columbia County for period 1840-2014 [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

[1840-1850] +8.63 %/yr
[1850-1860] -0.34 %/yr
[1860-1870] +4.67 %/yr
[1870-1880] +2.72 %/yr
[1880-1890] +2.99 %/yr
[1890-1900] +2.87 %/yr
[1900-1910] +0.34 %/yr
[1910-1920] -2.11 %/yr
[1920-1930] +0.24 %/yr
[1930-1940] +1.42 %/yr
[1940-1950] +0.78 %/yr
[1950-1960] +0.98 %/yr
[1960-1970] +2.32 %/yr
[1970-1980] +3.44 %/yr
[1980-1990] +1.87 %/yr
[1990-2000] +2.85 %/yr
[2000-2005] +2.27 %/yr
[2005-2010] +1.36 %/yr
[2010-2014] +0.03 %/yr
Looking for settlements in Columbia County? Visit this page: Settlements in Columbia County, FL
Population of Columbia County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2021 | 1964 | 3,985 |
| 5 to 9 | 2164 | 2074 | 4,238 |
| 10 to 14 | 2147 | 1947 | 4,094 |
| 15 to 19 | 2171 | 1803 | 3,974 |
| 20 to 24 | 2930 | 1876 | 4,806 |
| 25 to 29 | 2398 | 2009 | 4,407 |
| 30 to 34 | 2273 | 1956 | 4,229 |
| 35 to 39 | 2091 | 1776 | 3,867 |
| 40 to 44 | 2242 | 1874 | 4,116 |
| 45 to 49 | 2216 | 1985 | 4,201 |
| 50 to 54 | 2516 | 2304 | 4,820 |
| 55 to 59 | 2435 | 2631 | 5,066 |
| 60 to 64 | 2135 | 2210 | 4,345 |
| 65 to 69 | 1921 | 2071 | 3,992 |
| 70 to 74 | 1407 | 1558 | 2,965 |
| 75 to 79 | 963 | 1107 | 2,070 |
| 80 to 84 | 624 | 762 | 1,386 |
| 85+ | 502 | 794 | 1,296 |
Columbia 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 | 33064 | 31011 | 64,075 |
| WAC | 27518 | 26526 | 54,044 |
| WA | 26933 | 25976 | 52,909 |
| NHWAC | 25606 | 25006 | 50,612 |
| NHWA | 25083 | 24497 | 49,580 |
| BAC | 7370 | 5848 | 13,218 |
| NHBAC | 7197 | 5692 | 12,889 |
| BA | 7028 | 5513 | 12,541 |
| NHBA | 6894 | 5384 | 12,278 |
| H | 2092 | 1690 | 3,782 |
| HWAC | 1912 | 1520 | 3,432 |
| HWA | 1850 | 1479 | 3,329 |
| TOM | 630 | 607 | 1,237 |
| NHTOM | 566 | 564 | 1,130 |
| AAC | 455 | 494 | 949 |
| NHAAC | 443 | 469 | 912 |
| IAC | 391 | 396 | 787 |
| AA | 352 | 397 | 749 |
| NHAA | 345 | 380 | 725 |
| NHIAC | 342 | 366 | 708 |
| IA | 181 | 185 | 366 |
| HBAC | 173 | 156 | 329 |
| NHIA | 152 | 165 | 317 |
| HBA | 134 | 129 | 263 |
| NAC | 63 | 61 | 124 |
| HTOM | 64 | 43 | 107 |
| NHNAC | 52 | 55 | 107 |
| HIAC | 49 | 30 | 79 |
| NA | 32 | 23 | 55 |
| HIA | 29 | 20 | 49 |
| NHNA | 24 | 21 | 45 |
| HAAC | 12 | 25 | 37 |
| HAA | 7 | 17 | 24 |
| HNAC | 11 | 6 | 17 |
| HNA | 8 | 2 | 10 |
• Alachua County population
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157°
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22.2 mi,
264°
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33 mi,
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20.4 mi,
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35.9 mi,
196°
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19.2 mi,
127°
• Hamilton County
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• Charlton County
48.1 mi,
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• Lafayette County
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• Echols County
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[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
*Alachua Florida Notes
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