Last official estimated population of Summit County was 28,063 (year 2014)[1]. This was 0.009% of total US population and 0.5% of total Colorado state population. Area of Summit County is 619.3 mi² (=1603.9 km²), in this year population density was 45.32 p/mi². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Summit County population in 2024 would be 28,236 [0].
Historical population of Summit County for period 1870-2014 [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
[1870-1880] +35.69 %/yr
[1880-1890] -9.99 %/yr
[1890-1900] +3.71 %/yr
[1900-1910] -3.1 %/yr
[1910-1920] -1.49 %/yr
[1920-1930] -5.42 %/yr
[1930-1940] +5.92 %/yr
[1940-1950] -4.26 %/yr
[1950-1960] +6.21 %/yr
[1960-1970] +2.54 %/yr
[1970-1980] +12.75 %/yr
[1980-1990] +3.83 %/yr
[1990-2000] +6.22 %/yr
[2000-2005] +1.58 %/yr
[2005-2010] +1.89 %/yr
[2010-2014] +0.06 %/yr
Looking for settlements in Summit County? Visit this page: Settlements in Summit County, CO
Population of Summit County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 645 | 718 | 1,363 |
5 to 9 | 761 | 704 | 1,465 |
10 to 14 | 651 | 639 | 1,290 |
15 to 19 | 571 | 523 | 1,094 |
20 to 24 | 1182 | 903 | 2,085 |
25 to 29 | 1760 | 1438 | 3,198 |
30 to 34 | 1490 | 1149 | 2,639 |
35 to 39 | 1317 | 1016 | 2,333 |
40 to 44 | 1373 | 1018 | 2,391 |
45 to 49 | 1140 | 953 | 2,093 |
50 to 54 | 1078 | 975 | 2,053 |
55 to 59 | 1177 | 1030 | 2,207 |
60 to 64 | 1033 | 975 | 2,008 |
65 to 69 | 799 | 709 | 1,508 |
70 to 74 | 512 | 437 | 949 |
75 to 79 | 237 | 176 | 413 |
80 to 84 | 117 | 81 | 198 |
85+ | 57 | 60 | 117 |
Summit 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 | 15417 | 13013 | 28,430 |
WA | 15217 | 12845 | 28,062 |
NH | 13682 | 11399 | 25,081 |
NHWAC | 13320 | 11136 | 24,456 |
NHWA | 13171 | 11020 | 24,191 |
H | 2218 | 2105 | 4,323 |
HWAC | 2097 | 1877 | 3,974 |
HWA | 2046 | 1825 | 3,871 |
IAC | 195 | 307 | 502 |
AAC | 224 | 200 | 424 |
TOM | 217 | 186 | 403 |
BAC | 244 | 141 | 385 |
NHAAC | 201 | 182 | 383 |
IA | 103 | 232 | 335 |
HIAC | 93 | 225 | 318 |
NHBAC | 198 | 104 | 302 |
NHTOM | 165 | 130 | 295 |
BA | 193 | 95 | 288 |
AA | 148 | 135 | 283 |
NHAA | 134 | 129 | 263 |
HIA | 66 | 194 | 260 |
NHBA | 162 | 73 | 235 |
NHIAC | 102 | 82 | 184 |
HTOM | 52 | 56 | 108 |
HBAC | 46 | 37 | 83 |
NHIA | 37 | 38 | 75 |
NAC | 40 | 31 | 71 |
NHNAC | 29 | 27 | 56 |
HBA | 31 | 22 | 53 |
HAAC | 23 | 18 | 41 |
NA | 22 | 11 | 33 |
NHNA | 13 | 9 | 22 |
HAA | 14 | 6 | 20 |
HNAC | 11 | 4 | 15 |
HNA | 9 | 2 | 11 |
• Jefferson County population
47.6 mi, 93°
• Boulder County
51.1 mi, 50°
• Eagle County
29.7 mi, 270°
• Chaffee County
61.7 mi, 188°
• Pitkin County
50 mi, 236°
• Park County
41.3 mi, 147°
• Grand County
34.8 mi, 3°
• Clear Creek County
25.3 mi, 79°
• Lake County
30.9 mi, 201°
• Gilpin County
36.3 mi, 62°
[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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