Last official estimated population of Union County was 537,810 (year 2014)[1]. This was 0.169% of total US population and 6% of total New Jersey state population. Area of Union County is 105.4 mi² (=273 km²), in this year population density was 5,102.32 p/mi². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Union County population in 2025 would be 541,432 [0].
Historical population of Union County for period 1860-2014 [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
[1860-1870] +4.19 %/yr
[1870-1880] +2.87 %/yr
[1880-1890] +2.69 %/yr
[1890-1900] +3.21 %/yr
[1900-1910] +3.5 %/yr
[1910-1920] +3.62 %/yr
[1920-1930] +4.31 %/yr
[1930-1940] +0.73 %/yr
[1940-1950] +1.95 %/yr
[1950-1960] +2.39 %/yr
[1960-1970] +0.75 %/yr
[1970-1980] -0.74 %/yr
[1980-1990] -0.21 %/yr
[1990-2000] +0.57 %/yr
[2000-2005] +0.14 %/yr
[2005-2010] +0.39 %/yr
[2010-2014] +0.06 %/yr
Looking for settlements in Union County? Visit this page: Settlements in Union County, NJ
Population of Union County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 18213 | 17730 | 35,943 |
5 to 9 | 18912 | 18208 | 37,120 |
10 to 14 | 18765 | 17979 | 36,744 |
15 to 19 | 18278 | 17344 | 35,622 |
20 to 24 | 18248 | 17074 | 35,322 |
25 to 29 | 17684 | 16878 | 34,562 |
30 to 34 | 18297 | 18542 | 36,839 |
35 to 39 | 18696 | 19393 | 38,089 |
40 to 44 | 19472 | 19803 | 39,275 |
45 to 49 | 19999 | 21057 | 41,056 |
50 to 54 | 20684 | 21699 | 42,383 |
55 to 59 | 18330 | 19543 | 37,873 |
60 to 64 | 14171 | 15795 | 29,966 |
65 to 69 | 10621 | 12459 | 23,080 |
70 to 74 | 7223 | 9029 | 16,252 |
75 to 79 | 4918 | 7052 | 11,970 |
80 to 84 | 3552 | 5760 | 9,312 |
85+ | 3671 | 7860 | 11,531 |
Union 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 | 185214 | 201759 | 386,973 |
WAC | 192102 | 194858 | 386,960 |
WA | 187861 | 190249 | 378,110 |
NHWAC | 116772 | 122442 | 239,214 |
NHWA | 114115 | 119529 | 233,644 |
H | 84520 | 81446 | 165,966 |
HWAC | 75330 | 72416 | 147,746 |
HWA | 73746 | 70720 | 144,466 |
BAC | 63439 | 73121 | 136,560 |
BA | 60308 | 69544 | 129,852 |
NHBAC | 55616 | 65047 | 120,663 |
NHBA | 53784 | 62890 | 116,674 |
AAC | 15916 | 17495 | 33,411 |
NHAAC | 15084 | 16759 | 31,843 |
AA | 14202 | 15651 | 29,853 |
NHAA | 13654 | 15207 | 28,861 |
HBAC | 7823 | 8074 | 15,897 |
HBA | 6524 | 6654 | 13,178 |
TOM | 5085 | 5642 | 10,727 |
NHTOM | 3289 | 3709 | 6,998 |
IAC | 3322 | 3399 | 6,721 |
HIAC | 2306 | 2132 | 4,438 |
IA | 1994 | 1848 | 3,842 |
HTOM | 1796 | 1933 | 3,729 |
HIA | 1710 | 1494 | 3,204 |
NHIAC | 1016 | 1267 | 2,283 |
HAAC | 832 | 736 | 1,568 |
NAC | 583 | 632 | 1,215 |
HAA | 548 | 444 | 992 |
NHIA | 284 | 354 | 638 |
NHNAC | 297 | 333 | 630 |
HNAC | 286 | 299 | 585 |
NA | 284 | 271 | 555 |
HNA | 196 | 201 | 397 |
NHNA | 88 | 70 | 158 |
• Kings County population
18.8 mi, 95°
• Queens County
24.7 mi, 90°
• New York County
19.5 mi, 65°
• Bergen County
24.1 mi, 30°
• Middlesex County
16.1 mi, 198°
• Essex County
9.4 mi, 20°
• Hudson County
13 mi, 67°
• Morris County
18.6 mi, 317°
• Richmond County
11.2 mi, 127°
• Somerset County
17.6 mi, 248°
[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
*Essex New Jersey Notes
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