Last official estimated population of Somerset County was 324,171 (year 2014)[1]. This was 0.102% of total US population and 3.6% of total New Jersey state population. Area of Somerset County is 304.8 mi² (=789.5 km²), in this year population density was 1,063.50 p/mi². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Somerset County population in 2024 would be 325,996 [0].
Historical population of Somerset 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] +0.41 %/yr
[1800-1810] +1.4 %/yr
[1810-1820] +1.15 %/yr
[1820-1830] +0.69 %/yr
[1830-1840] -0.13 %/yr
[1840-1850] +1.21 %/yr
[1850-1860] +1.14 %/yr
[1860-1870] +0.64 %/yr
[1870-1880] +1.45 %/yr
[1880-1890] +0.42 %/yr
[1890-1900] +1.53 %/yr
[1900-1910] +1.65 %/yr
[1910-1920] +2.14 %/yr
[1920-1930] +3.1 %/yr
[1930-1940] +1.34 %/yr
[1940-1950] +2.9 %/yr
[1950-1960] +3.81 %/yr
[1960-1970] +3.26 %/yr
[1970-1980] +0.24 %/yr
[1980-1990] +1.69 %/yr
[1990-2000] +2.16 %/yr
[2000-2005] +0.99 %/yr
[2005-2010] +0.68 %/yr
[2010-2014] +0.06 %/yr
Looking for settlements in Somerset County? Visit this page: Settlements in Somerset County, NJ
Population of Somerset County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 9121 | 9020 | 18,141 |
5 to 9 | 10724 | 10155 | 20,879 |
10 to 14 | 11921 | 11476 | 23,397 |
15 to 19 | 11573 | 10890 | 22,463 |
20 to 24 | 9494 | 8817 | 18,311 |
25 to 29 | 8420 | 8147 | 16,567 |
30 to 34 | 9396 | 9871 | 19,267 |
35 to 39 | 10245 | 11017 | 21,262 |
40 to 44 | 11712 | 12310 | 24,022 |
45 to 49 | 13126 | 14003 | 27,129 |
50 to 54 | 14224 | 14867 | 29,091 |
55 to 59 | 12701 | 13105 | 25,806 |
60 to 64 | 9396 | 10056 | 19,452 |
65 to 69 | 7049 | 7935 | 14,984 |
70 to 74 | 4857 | 5967 | 10,824 |
75 to 79 | 3370 | 4350 | 7,720 |
80 to 84 | 2361 | 3625 | 5,986 |
85+ | 2294 | 4973 | 7,267 |
Somerset 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 | 137900 | 147301 | 285,201 |
WAC | 118696 | 123853 | 242,549 |
WA | 115926 | 120943 | 236,869 |
NHWAC | 96840 | 102785 | 199,625 |
NHWA | 94659 | 100463 | 195,122 |
AAC | 28406 | 29985 | 58,391 |
NHAAC | 28072 | 29622 | 57,694 |
AA | 26797 | 28287 | 55,084 |
NHAA | 26612 | 28077 | 54,689 |
H | 24084 | 23283 | 47,367 |
HWAC | 21856 | 21068 | 42,924 |
HWA | 21267 | 20480 | 41,747 |
BAC | 16768 | 18937 | 35,705 |
BA | 15402 | 17422 | 32,824 |
NHBAC | 14886 | 16987 | 31,873 |
NHBA | 13945 | 15910 | 29,855 |
TOM | 3114 | 3298 | 6,412 |
NHTOM | 2447 | 2637 | 5,084 |
HBAC | 1882 | 1950 | 3,832 |
HBA | 1457 | 1512 | 2,969 |
IAC | 1188 | 1127 | 2,315 |
HTOM | 667 | 661 | 1,328 |
HIAC | 638 | 540 | 1,178 |
IA | 627 | 518 | 1,145 |
NHIAC | 550 | 587 | 1,137 |
HIA | 449 | 354 | 803 |
HAAC | 334 | 363 | 697 |
NAC | 267 | 252 | 519 |
HAA | 185 | 210 | 395 |
NHIA | 178 | 164 | 342 |
NHNAC | 161 | 152 | 313 |
NA | 118 | 116 | 234 |
HNAC | 106 | 100 | 206 |
HNA | 59 | 66 | 125 |
NHNA | 59 | 50 | 109 |
• Middlesex County population
14.1 mi, 127°
• Essex County
24.9 mi, 51°
• Hudson County
30.6 mi, 68°
• Bucks County
30.1 mi, 238°
• Union County
17.6 mi, 68°
• Morris County
20.6 mi, 10°
• Richmond County
25.2 mi, 90°
• Mercer County
20 mi, 192°
• Hunterdon County
15.3 mi, 269°
• Warren County
28.5 mi, 314°
[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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