Last official estimated population of Windham County was 44,503 (year 2014)[1]. This was 0.014% of total US population and 7.1% of total Vermont state population. Area of Windham County is 798.1 mi² (=2067 km²), in this year population density was 55.76 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Windham County population in 2026 would be 44,473 [0].
Historical population of Windham 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] +2.99 %/yr
[1800-1810] +1.27 %/yr
[1810-1820] +0.62 %/yr
[1820-1830] +0.1 %/yr
[1830-1840] -0.46 %/yr
[1840-1850] +0.58 %/yr
[1850-1860] -0.74 %/yr
[1860-1870] -0.36 %/yr
[1870-1880] +0.28 %/yr
[1880-1890] -0.08 %/yr
[1890-1900] +0.04 %/yr
[1900-1910] +0.1 %/yr
[1910-1920] -0.21 %/yr
[1920-1930] -0.14 %/yr
[1930-1940] +0.68 %/yr
[1940-1950] +0.32 %/yr
[1950-1960] +0.35 %/yr
[1960-1970] +1.06 %/yr
[1970-1980] +1.11 %/yr
[1980-1990] +1.19 %/yr
[1990-2000] +0.59 %/yr
[2000-2005] +0.03 %/yr
[2005-2010] +0.15 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Windham County? Visit this page: Settlements in Windham County, VT
Population of Windham County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1056 | 961 | 2,017 |
| 5 to 9 | 1155 | 1043 | 2,198 |
| 10 to 14 | 1251 | 1222 | 2,473 |
| 15 to 19 | 1398 | 1220 | 2,618 |
| 20 to 24 | 1386 | 1249 | 2,635 |
| 25 to 29 | 1082 | 1119 | 2,201 |
| 30 to 34 | 1184 | 1241 | 2,425 |
| 35 to 39 | 1061 | 1190 | 2,251 |
| 40 to 44 | 1148 | 1220 | 2,368 |
| 45 to 49 | 1327 | 1526 | 2,853 |
| 50 to 54 | 1756 | 1910 | 3,666 |
| 55 to 59 | 1899 | 1947 | 3,846 |
| 60 to 64 | 1847 | 1890 | 3,737 |
| 65 to 69 | 1456 | 1565 | 3,021 |
| 70 to 74 | 991 | 1065 | 2,056 |
| 75 to 79 | 603 | 685 | 1,288 |
| 80 to 84 | 454 | 556 | 1,010 |
| 85+ | 370 | 681 | 1,051 |
Windham 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 | 20952 | 21841 | 42,793 |
| WAC | 20896 | 21653 | 42,549 |
| WA | 20498 | 21229 | 41,727 |
| NHWAC | 20468 | 21253 | 41,721 |
| NHWA | 20105 | 20868 | 40,973 |
| H | 472 | 449 | 921 |
| TOM | 413 | 429 | 842 |
| HWAC | 428 | 400 | 828 |
| BAC | 431 | 395 | 826 |
| NHTOM | 377 | 389 | 766 |
| HWA | 393 | 361 | 754 |
| NHBAC | 380 | 340 | 720 |
| AAC | 247 | 391 | 638 |
| NHAAC | 242 | 379 | 621 |
| IAC | 257 | 286 | 543 |
| BA | 269 | 247 | 516 |
| NHIAC | 235 | 260 | 495 |
| AA | 167 | 309 | 476 |
| NHAA | 164 | 305 | 469 |
| NHBA | 243 | 210 | 453 |
| IA | 59 | 69 | 128 |
| NHIA | 51 | 62 | 113 |
| HBAC | 51 | 55 | 106 |
| HTOM | 36 | 40 | 76 |
| HBA | 26 | 37 | 63 |
| NAC | 35 | 19 | 54 |
| HIAC | 22 | 26 | 48 |
| NHNAC | 28 | 18 | 46 |
| NA | 18 | 7 | 25 |
| NHNA | 12 | 7 | 19 |
| HAAC | 5 | 12 | 17 |
| HIA | 8 | 7 | 15 |
| HNAC | 7 | 1 | 8 |
| HAA | 3 | 4 | 7 |
| HNA | 6 | 0 | 6 |
• Rensselaer County population
44.7 mi,
243°
• Hampshire County
45.4 mi,
176°
• Berkshire County
49.6 mi,
210°
• Cheshire County
24.4 mi,
101°
• Franklin County
29.1 mi,
166°
• Washington County
42.3 mi,
301°
• Rutland County
43.5 mi,
338°
• Windsor County
40.4 mi,
8°
• Sullivan County
35.7 mi,
44°
• Bennington County
19.9 mi,
277°
[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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