Summit County Population 2018

Summit County's estimated population is 30,585 with a growth rate of 0.83% in the past year according to the most recent United States census data. Summit County is the 18th largest county in Colorado.

Year Population Growth Growth Rate
201730,5852530.83%
201630,3324801.61%
201529,8526662.28%
201429,1865311.85%
201328,6554261.51%
201228,2292410.86%
201127,988-80-0.29%
201028,06815,187117.90%
199012,8814,03345.58%
19808,8486,183232.01%
19702,66559228.56%
19602,07393882.64%
19501,135-619-35.29%
19401,75476777.71%
1930987-737-42.75%
19201,724-279-13.93%
19102,003-741-27.00%
19002,74483843.97%
18901,906-3,553-65.09%
18805,4595,2012015.89%
18702580.00%

Summit County Population Growth

Population Data via

Summit County Race Data

Race Population Percentage
White28,55593.36%
Two or More Races3961.29%
Asian3421.12%
Black or African American3111.02%
American Indian and Alaska Native2470.81%
Native Hawaiian and Other Pacific Islander410.13%

Summit County Population Pyramid

0k1k1k2k2k Male Population0k1k1k2k2k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990