Last official estimated population of Utah County was 519,569 (year 2014)[1]. This was 0.163% of total US population and 17.3% of total Utah state population. Area of Utah County is 2,144.2 mi² (=5553.5 km²), in this year population density was 242.31 p/mi². If population growth rate would be same as in period 2010-2014 (+0.15%/yr), Utah County population in 2026 would be 528,689 [0].
Historical population of Utah County for period 1850-2014 [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

[1850-1860] +15.07 %/yr
[1860-1870] +3.99 %/yr
[1870-1880] +3.95 %/yr
[1880-1890] +2.83 %/yr
[1890-1900] +3.16 %/yr
[1900-1910] +1.57 %/yr
[1910-1920] +0.73 %/yr
[1920-1930] +1.85 %/yr
[1930-1940] +1.59 %/yr
[1940-1950] +3.62 %/yr
[1950-1960] +2.71 %/yr
[1960-1970] +2.56 %/yr
[1970-1980] +4.7 %/yr
[1980-1990] +1.91 %/yr
[1990-2000] +3.41 %/yr
[2000-2005] +3.17 %/yr
[2005-2010] +3.7 %/yr
[2010-2014] +0.15 %/yr
Looking for settlements in Utah County? Visit this page: Settlements in Utah County, UT
Population of Utah County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 29544 | 27446 | 56,990 |
| 5 to 9 | 29283 | 27632 | 56,915 |
| 10 to 14 | 27041 | 25741 | 52,782 |
| 15 to 19 | 25228 | 25908 | 51,136 |
| 20 to 24 | 36072 | 34854 | 70,926 |
| 25 to 29 | 20247 | 19145 | 39,392 |
| 30 to 34 | 20917 | 20313 | 41,230 |
| 35 to 39 | 19588 | 18996 | 38,584 |
| 40 to 44 | 15090 | 14759 | 29,849 |
| 45 to 49 | 12198 | 11806 | 24,004 |
| 50 to 54 | 11112 | 11027 | 22,139 |
| 55 to 59 | 9888 | 10306 | 20,194 |
| 60 to 64 | 7984 | 8598 | 16,582 |
| 65 to 69 | 6355 | 7098 | 13,453 |
| 70 to 74 | 4660 | 5372 | 10,032 |
| 75 to 79 | 3262 | 3793 | 7,055 |
| 80 to 84 | 2247 | 2862 | 5,109 |
| 85+ | 1812 | 2790 | 4,602 |
Utah 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 |
| WAC | 270678 | 266654 | 537,332 |
| WA | 264242 | 260204 | 524,446 |
| NH | 250306 | 247758 | 498,064 |
| NHWAC | 240405 | 237772 | 478,177 |
| NHWA | 234958 | 232375 | 467,333 |
| H | 32222 | 30688 | 62,910 |
| HWAC | 30273 | 28882 | 59,155 |
| HWA | 29284 | 27829 | 57,113 |
| AAC | 7082 | 7984 | 15,066 |
| NHAAC | 6570 | 7457 | 14,027 |
| TOM | 6849 | 6818 | 13,667 |
| NHTOM | 5801 | 5701 | 11,502 |
| AA | 4143 | 5035 | 9,178 |
| NAC | 4833 | 4272 | 9,105 |
| NHAA | 3914 | 4823 | 8,737 |
| NHNAC | 4507 | 3922 | 8,429 |
| IAC | 3887 | 3885 | 7,772 |
| BAC | 3621 | 3193 | 6,814 |
| NHBAC | 2851 | 2430 | 5,281 |
| NA | 2695 | 2267 | 4,962 |
| NHIAC | 2406 | 2478 | 4,884 |
| NHNA | 2548 | 2093 | 4,641 |
| IA | 2330 | 2256 | 4,586 |
| BA | 2269 | 1866 | 4,135 |
| NHBA | 1742 | 1358 | 3,100 |
| HIAC | 1481 | 1407 | 2,888 |
| NHIA | 1343 | 1408 | 2,751 |
| HTOM | 1048 | 1117 | 2,165 |
| HIA | 987 | 848 | 1,835 |
| HBAC | 770 | 763 | 1,533 |
| HAAC | 512 | 527 | 1,039 |
| HBA | 527 | 508 | 1,035 |
| HNAC | 326 | 350 | 676 |
| HAA | 229 | 212 | 441 |
| HNA | 147 | 174 | 321 |
• Salt Lake County population
40.1 mi,
340°
• Davis County
69.3 mi,
336°
• Weber County
80.2 mi,
352°
• Summit County
63.6 mi,
35°
• Sanpete County
51.2 mi,
174°
• Wasatch County
30.6 mi,
61°
• Carbon County
65.1 mi,
118°
• Duchesne County
66.4 mi,
79°
• Juab County
65.7 mi,
244°
• Morgan County
67.2 mi,
4°
[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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