Last official estimated population of Columbia County was 67,329 (year 2014)[1]. This was 0.021% of total US population and 0.5% of total Pennsylvania state population. Area of Columbia County is 490.2 mi² (=1269.5 km²), in this year population density was 137.36 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Columbia County population in 2025 would be 67,423 [0].
Historical population of Columbia County for period 1820-2014 [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
[1820-1830] +1.3 %/yr
[1830-1840] +1.92 %/yr
[1840-1850] -3.1 %/yr
[1850-1860] +3.53 %/yr
[1860-1870] +1.39 %/yr
[1870-1880] +1.2 %/yr
[1880-1890] +1.29 %/yr
[1890-1900] +0.8 %/yr
[1900-1910] +1.97 %/yr
[1910-1920] -0.02 %/yr
[1920-1930] +0.09 %/yr
[1930-1940] +0.52 %/yr
[1940-1950] +0.39 %/yr
[1950-1960] +0.01 %/yr
[1960-1970] +0.3 %/yr
[1970-1980] +1.18 %/yr
[1980-1990] +0.2 %/yr
[1990-2000] +0.12 %/yr
[2000-2005] +0.49 %/yr
[2005-2010] +0.53 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Columbia County? Visit this page: Settlements in Columbia County, PA
Population of Columbia County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1586 | 1502 | 3,088 |
| 5 to 9 | 1734 | 1654 | 3,388 |
| 10 to 14 | 1814 | 1690 | 3,504 |
| 15 to 19 | 2669 | 3111 | 5,780 |
| 20 to 24 | 3464 | 4062 | 7,526 |
| 25 to 29 | 1955 | 1705 | 3,660 |
| 30 to 34 | 1705 | 1699 | 3,404 |
| 35 to 39 | 1657 | 1625 | 3,282 |
| 40 to 44 | 1935 | 1920 | 3,855 |
| 45 to 49 | 2162 | 2052 | 4,214 |
| 50 to 54 | 2231 | 2421 | 4,652 |
| 55 to 59 | 2353 | 2507 | 4,860 |
| 60 to 64 | 2157 | 2225 | 4,382 |
| 65 to 69 | 1740 | 1945 | 3,685 |
| 70 to 74 | 1237 | 1415 | 2,652 |
| 75 to 79 | 858 | 1173 | 2,031 |
| 80 to 84 | 605 | 873 | 1,478 |
| 85+ | 542 | 1139 | 1,681 |
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 | 31520 | 33855 | 65,375 |
| WAC | 31191 | 33497 | 64,688 |
| WA | 30893 | 33189 | 64,082 |
| NHWAC | 30429 | 32796 | 63,225 |
| NHWA | 30163 | 32505 | 62,668 |
| H | 884 | 863 | 1,747 |
| BAC | 832 | 857 | 1,689 |
| NHBAC | 744 | 749 | 1,493 |
| HWAC | 762 | 701 | 1,463 |
| HWA | 730 | 684 | 1,414 |
| BA | 691 | 697 | 1,388 |
| NHBA | 621 | 601 | 1,222 |
| AAC | 488 | 483 | 971 |
| NHAAC | 467 | 466 | 933 |
| AA | 421 | 406 | 827 |
| NHAA | 405 | 394 | 799 |
| TOM | 322 | 340 | 662 |
| NHTOM | 289 | 320 | 609 |
| IAC | 202 | 189 | 391 |
| NHIAC | 156 | 147 | 303 |
| HBAC | 88 | 108 | 196 |
| HBA | 70 | 96 | 166 |
| IA | 69 | 62 | 131 |
| HIAC | 46 | 42 | 88 |
| HIA | 32 | 35 | 67 |
| NHIA | 37 | 27 | 64 |
| NAC | 23 | 37 | 60 |
| HTOM | 33 | 20 | 53 |
| NHNAC | 19 | 21 | 40 |
| HAAC | 21 | 17 | 38 |
| NA | 8 | 24 | 32 |
| HAA | 16 | 12 | 28 |
| HNAC | 4 | 16 | 20 |
| HNA | 3 | 16 | 19 |
| NHNA | 5 | 8 | 13 |
• Luzerne County population
24 mi, 
68°
• Schuylkill County
25.5 mi, 
157°
• Lycoming County
39.6 mi, 
301°
• Northumberland County
20.8 mi, 
229°
• Carbon County
37.5 mi, 
103°
• Union County
34.4 mi, 
260°
• Snyder County
40.3 mi, 
240°
• Wyoming County
39 mi, 
31°
• Montour County
13.6 mi, 
265°
• Sullivan County
27.8 mi, 
348°
[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 12 Pennsylvania Notes
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