Last official estimated population of Blair County was 127,030 (year 2014)[1]. This was 0.04% of total US population and 1% of total Pennsylvania state population. Area of Blair County is 527.1 mi² (=1365.1 km²), in this year population density was 241.01 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Blair County population in 2025 would be 126,868 [0].
Historical population of Blair County for period 1850-2014 [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
[1850-1860] +2.48 %/yr
[1860-1870] +3.18 %/yr
[1870-1880] +3.32 %/yr
[1880-1890] +3 %/yr
[1890-1900] +1.85 %/yr
[1900-1910] +2.49 %/yr
[1910-1920] +1.66 %/yr
[1920-1930] +0.86 %/yr
[1930-1940] +0.04 %/yr
[1940-1950] -0.06 %/yr
[1950-1960] -0.16 %/yr
[1960-1970] -0.14 %/yr
[1970-1980] +0.09 %/yr
[1980-1990] -0.45 %/yr
[1990-2000] -0.11 %/yr
[2000-2005] -0.37 %/yr
[2005-2010] +0.06 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Blair County? Visit this page: Settlements in Blair County, PA
Population of Blair County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 3498 | 3460 | 6,958 |
5 to 9 | 3735 | 3432 | 7,167 |
10 to 14 | 3841 | 3568 | 7,409 |
15 to 19 | 3843 | 3650 | 7,493 |
20 to 24 | 4231 | 3831 | 8,062 |
25 to 29 | 3636 | 3582 | 7,218 |
30 to 34 | 3551 | 3533 | 7,084 |
35 to 39 | 3502 | 3570 | 7,072 |
40 to 44 | 3779 | 3806 | 7,585 |
45 to 49 | 4023 | 4056 | 8,079 |
50 to 54 | 4447 | 4564 | 9,011 |
55 to 59 | 4731 | 4881 | 9,612 |
60 to 64 | 4239 | 4606 | 8,845 |
65 to 69 | 3450 | 3856 | 7,306 |
70 to 74 | 2546 | 3032 | 5,578 |
75 to 79 | 1806 | 2407 | 4,213 |
80 to 84 | 1316 | 2120 | 3,436 |
85+ | 1230 | 2597 | 3,827 |
Blair 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 | 60617 | 63880 | 124,497 |
WAC | 59479 | 62904 | 122,383 |
NHWAC | 58805 | 62327 | 121,132 |
WA | 58655 | 62130 | 120,785 |
NHWA | 58022 | 61597 | 119,619 |
BAC | 1876 | 1556 | 3,432 |
NHBAC | 1772 | 1471 | 3,243 |
BA | 1340 | 1013 | 2,353 |
NHBA | 1268 | 968 | 2,236 |
TOM | 861 | 828 | 1,689 |
NHTOM | 818 | 778 | 1,596 |
H | 787 | 671 | 1,458 |
AAC | 611 | 644 | 1,255 |
HWAC | 674 | 577 | 1,251 |
NHAAC | 590 | 621 | 1,211 |
HWA | 633 | 533 | 1,166 |
AA | 437 | 478 | 915 |
NHAA | 420 | 460 | 880 |
IAC | 269 | 269 | 538 |
NHIAC | 242 | 237 | 479 |
HBAC | 104 | 85 | 189 |
IA | 91 | 89 | 180 |
NHIA | 74 | 66 | 140 |
HBA | 72 | 45 | 117 |
HTOM | 43 | 50 | 93 |
NAC | 47 | 35 | 82 |
NHNAC | 42 | 30 | 72 |
HIAC | 27 | 32 | 59 |
HAAC | 21 | 23 | 44 |
HIA | 17 | 23 | 40 |
HAA | 17 | 18 | 35 |
NA | 20 | 13 | 33 |
NHNA | 15 | 11 | 26 |
HNAC | 5 | 5 | 10 |
HNA | 5 | 2 | 7 |
• Centre County population
37.3 mi, 40°
• Franklin County
50.1 mi, 141°
• Cambria County
21 mi, 272°
• Indiana County
42.1 mi, 284°
• Clearfield County
35.7 mi, 346°
• Bedford County
35.8 mi, 195°
• Mifflin County
35.3 mi, 78°
• Huntingdon County
18.7 mi, 106°
• Juniata County
47.9 mi, 87°
• Fulton County
41.8 mi, 166°
[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 3 Pennsylvania Notes
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