Last official estimated population of Strafford County was 123,203 (year 2014)[1]. This was 0.039% of total US population and 9.3% of total New Hampshire state population. Area of Strafford County is 384.0 mi² (=994.6 km²), in this year population density was 320.84 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Strafford County population in 2025 would be 123,368 [0].
Historical population of Strafford 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] +3.29 %/yr
[1800-1810] +2.46 %/yr
[1810-1820] +2.08 %/yr
[1820-1830] +1.43 %/yr
[1830-1840] +0.37 %/yr
[1840-1850] -7.07 %/yr
[1850-1860] +0.7 %/yr
[1860-1870] -0.4 %/yr
[1870-1880] +1.63 %/yr
[1880-1890] +0.78 %/yr
[1890-1900] +0.23 %/yr
[1900-1910] -0.1 %/yr
[1910-1920] -0.1 %/yr
[1920-1930] +0.01 %/yr
[1930-1940] +1.22 %/yr
[1940-1950] +1.7 %/yr
[1950-1960] +1.49 %/yr
[1960-1970] +1.65 %/yr
[1970-1980] +1.95 %/yr
[1980-1990] +2.01 %/yr
[1990-2000] +0.74 %/yr
[2000-2005] +1.12 %/yr
[2005-2010] +0.74 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Strafford County? Visit this page: Settlements in Strafford County, NH
Population of Strafford County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 3222 | 3117 | 6,339 |
| 5 to 9 | 3514 | 3302 | 6,816 |
| 10 to 14 | 3480 | 3494 | 6,974 |
| 15 to 19 | 4999 | 5493 | 10,492 |
| 20 to 24 | 6761 | 7588 | 14,349 |
| 25 to 29 | 3853 | 3533 | 7,386 |
| 30 to 34 | 3806 | 3727 | 7,533 |
| 35 to 39 | 3426 | 3404 | 6,830 |
| 40 to 44 | 3860 | 3865 | 7,725 |
| 45 to 49 | 4049 | 4253 | 8,302 |
| 50 to 54 | 4673 | 4842 | 9,515 |
| 55 to 59 | 4422 | 4530 | 8,952 |
| 60 to 64 | 3473 | 3644 | 7,117 |
| 65 to 69 | 2813 | 3075 | 5,888 |
| 70 to 74 | 1905 | 2173 | 4,078 |
| 75 to 79 | 1224 | 1510 | 2,734 |
| 80 to 84 | 918 | 1314 | 2,232 |
| 85+ | 778 | 1564 | 2,342 |
Strafford 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 | 59800 | 63069 | 122,869 |
| WAC | 58109 | 61464 | 119,573 |
| WA | 56980 | 60324 | 117,304 |
| NHWAC | 56945 | 60261 | 117,206 |
| NHWA | 55915 | 59211 | 115,126 |
| AAC | 2307 | 2531 | 4,838 |
| NHAAC | 2246 | 2485 | 4,731 |
| AA | 1894 | 2130 | 4,024 |
| NHAA | 1865 | 2109 | 3,974 |
| H | 1376 | 1359 | 2,735 |
| BAC | 1394 | 1067 | 2,461 |
| HWAC | 1164 | 1203 | 2,367 |
| TOM | 1179 | 1175 | 2,354 |
| HWA | 1065 | 1113 | 2,178 |
| NHTOM | 1067 | 1079 | 2,146 |
| NHBAC | 1209 | 922 | 2,131 |
| BA | 914 | 590 | 1,504 |
| NHBA | 799 | 499 | 1,298 |
| IAC | 563 | 567 | 1,130 |
| NHIAC | 476 | 497 | 973 |
| IA | 172 | 180 | 352 |
| HBAC | 185 | 145 | 330 |
| NHIA | 127 | 144 | 271 |
| HTOM | 112 | 96 | 208 |
| HBA | 115 | 91 | 206 |
| NAC | 89 | 75 | 164 |
| HIAC | 87 | 70 | 157 |
| NHNAC | 77 | 67 | 144 |
| HAAC | 61 | 46 | 107 |
| HIA | 45 | 36 | 81 |
| NA | 37 | 29 | 66 |
| NHNA | 27 | 27 | 54 |
| HAA | 29 | 21 | 50 |
| HNAC | 12 | 8 | 20 |
| HNA | 10 | 2 | 12 |
• Middlesex County population
58.9 mi, 
197°
• Essex County
45.8 mi, 
169°
• Hillsborough County
43.5 mi, 
232°
• Rockingham County
21.3 mi, 
188°
• Cumberland County
50.1 mi, 
44°
• York County
20.6 mi, 
63°
• Merrimack County
32.4 mi, 
270°
• Grafton County
59.5 mi, 
317°
• Belknap County
25 mi, 
308°
• Carroll County
40.5 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
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