Last official estimated population of Berkshire County was 131,310 (year 2014)[1]. This was 0.041% of total US population and 1.9% of total Massachusetts state population. Area of Berkshire County is 946.4 mi² (=2451.2 km²), in this year population density was 138.74 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Berkshire County population in 2026 would be 131,583 [0].
Historical population of Berkshire 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] +1.13 %/yr
[1800-1810] +0.58 %/yr
[1810-1820] -0.05 %/yr
[1820-1830] +0.58 %/yr
[1830-1840] +0.99 %/yr
[1840-1850] +1.74 %/yr
[1850-1860] +1.06 %/yr
[1860-1870] +1.64 %/yr
[1870-1880] +0.63 %/yr
[1880-1890] +1.63 %/yr
[1890-1900] +1.66 %/yr
[1900-1910] +0.96 %/yr
[1910-1920] +0.72 %/yr
[1920-1930] +0.66 %/yr
[1930-1940] +0.13 %/yr
[1940-1950] +0.84 %/yr
[1950-1960] +0.67 %/yr
[1960-1970] +0.5 %/yr
[1970-1980] -0.29 %/yr
[1980-1990] -0.4 %/yr
[1990-2000] -0.32 %/yr
[2000-2005] -0.35 %/yr
[2005-2010] -0.2 %/yr
[2010-2014] +0.02 %/yr
Looking for settlements in Berkshire County? Visit this page: Settlements in Berkshire County, MA
Population of Berkshire County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2926 | 2689 | 5,615 |
| 5 to 9 | 3089 | 3026 | 6,115 |
| 10 to 14 | 3350 | 3314 | 6,664 |
| 15 to 19 | 4311 | 4226 | 8,537 |
| 20 to 24 | 4377 | 4342 | 8,719 |
| 25 to 29 | 3401 | 3236 | 6,637 |
| 30 to 34 | 3315 | 3415 | 6,730 |
| 35 to 39 | 3105 | 3140 | 6,245 |
| 40 to 44 | 3524 | 3748 | 7,272 |
| 45 to 49 | 4275 | 4338 | 8,613 |
| 50 to 54 | 5080 | 5331 | 10,411 |
| 55 to 59 | 5052 | 5527 | 10,579 |
| 60 to 64 | 4653 | 5055 | 9,708 |
| 65 to 69 | 4104 | 4410 | 8,514 |
| 70 to 74 | 2795 | 3290 | 6,085 |
| 75 to 79 | 1947 | 2340 | 4,287 |
| 80 to 84 | 1498 | 2091 | 3,589 |
| 85+ | 1478 | 2917 | 4,395 |
Berkshire 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 | 59600 | 63880 | 123,480 |
| WAC | 58973 | 63257 | 122,230 |
| WA | 57670 | 61937 | 119,607 |
| NHWAC | 56623 | 61019 | 117,642 |
| NHWA | 55498 | 59864 | 115,362 |
| BAC | 2986 | 2706 | 5,692 |
| H | 2680 | 2555 | 5,235 |
| NHBAC | 2622 | 2371 | 4,993 |
| HWAC | 2350 | 2238 | 4,588 |
| HWA | 2172 | 2073 | 4,245 |
| BA | 2171 | 1856 | 4,027 |
| NHBA | 1950 | 1653 | 3,603 |
| TOM | 1393 | 1428 | 2,821 |
| AAC | 1181 | 1387 | 2,568 |
| NHAAC | 1155 | 1343 | 2,498 |
| NHTOM | 1201 | 1248 | 2,449 |
| AA | 838 | 1022 | 1,860 |
| NHAA | 825 | 1002 | 1,827 |
| IAC | 511 | 484 | 995 |
| NHIAC | 394 | 379 | 773 |
| HBAC | 364 | 335 | 699 |
| HBA | 221 | 203 | 424 |
| HTOM | 192 | 180 | 372 |
| IA | 185 | 160 | 345 |
| HIAC | 117 | 105 | 222 |
| NHIA | 114 | 93 | 207 |
| NAC | 74 | 96 | 170 |
| HIA | 71 | 67 | 138 |
| NHNAC | 55 | 73 | 128 |
| HAAC | 26 | 44 | 70 |
| NA | 23 | 32 | 55 |
| HNAC | 19 | 23 | 42 |
| HAA | 13 | 20 | 33 |
| NHNA | 12 | 20 | 32 |
| HNA | 11 | 12 | 23 |
• Hartford County population
46.4 mi,
147°
• Hampden County
33.9 mi,
119°
• Albany County
41.4 mi,
290°
• Litchfield County
40.3 mi,
181°
• Rensselaer County
27.7 mi,
326°
• Hampshire County
28.2 mi,
95°
• Franklin County
34.8 mi,
65°
• Columbia County
22.9 mi,
247°
• Greene County
48.2 mi,
262°
• Bennington County
45.9 mi,
6°
[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
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