Summit County

There really is nothing quite like living in Summit County, Colorado. We offer a true mountain experience that includes lots of colorful history and small town charm.

With 80% of the County being federal public land, there is plenty to do for outdoor enthusiasts. And, our towns are often recognized as “one of the best places to live” in the U.S.


  • Four major ski areas within Summit – Arapahoe Basin, Breckenridge, Copper Mountain and Keystone – and three more just outside – within 10-30 miles you can ski Vail, Loveland and Beaver Creek.
  • Our rich and unique history that includes Native American heritage, gold rush boom & bust times, and skiing history is all preserved by the Summit Historical Society for locals and visitors to enjoy.
  • Road bikers ride the Summit County’s Recreational Path of 55-miles of paved trail and single track hundreds of miles is available for our mountain bikers.
  • The Dillon Reservoir (a.k.a. Lake Dillon), stocked with Rainbow Trout each year and in the center of the county, offers great views of various mountain ranges and attracts sailors, fishermen, kayakers, campers, and more year round.
  • We have the Tenmile Range and Gore Range, with three of the Colorado 14ers – Grays, Torreys and Quandary – located in Summit County that make the top 15 in terms of elevation.
  • Arts & Culture…annual events and festivals through the year.

Housing Metrics for Summit County

Median Home Sale Price Trend

Median Home Sale Price Trend

More County Statistics

Housing Units (2015) 30,584
Owner-occupied housing rate (2010-2014) 67.5%
Median value of owner-occupied housing units (2010-2014) $461,100
Median monthly gross rent (2010-2014) $1,143
Percentage of renters here 41%
Population density (2010) 46 people/square mile avg
Cost of living index (March 2016) 96.8 (U.S. average is 100)
Land area 608.36 square miles
Water area 11.1 square miles


Summit County has many public and private schools from nursery through college. Summit County public schools spend $13,490 per student. The average school expenditure in the U.S. is $12,435. There are about 14.9 students per teacher in Summit County.

Check out the following to learn more:

Getting Around Town

There is lots of free parking across the County, but during peak times, there is also paid parking lots that can fill up.

So, do like so many locals do – use the free public transportation.

Summit has free public transportation throughout the County available all year long provided by the Summit State who also offers complementary ADA paratransit service, bike racks, and the Summit Stage Smart Bus System allows you to view real-time bus locations on their routes.

Local communities, like Breckenridge, Copper Mountain, and the Outlets at Silverthorne, offer additional free local transit.


Summit County Full-time Residents

Area 1970 1980 1990 2000 2010 2014
Summit County Total 2,665 8,848 12,881 23,548 27,994 29,399
Incorporated Areas
Breckenridge 548 818 1,285 2,408 4,540 4,887
Blue River 8 230 440 685 849 887
Dillon 182 337 553 802 904 938
Frisco 471 1,221 1,601 2,443 2,683 2,827
Montezuma n/a n/a 60 42 65 68
Silverthorne 400 989 1,768 3,196 3,887 4,116
Subtotal 1,609 3,595 5,707 9,576 12,928 13,723
Unincorporated Areas
Lower Blue Basin 2,533 4,592 3,672 3,820
Snake River Basin 1,765 4,187 6,726 6,998
Ten Mile Basin 532 837 1,292 1,344
Upper Blue Basin 2,344 4,356 3,376 3,513
Subtotal 1,056 5,253 7,174 13,972 15,066 15,676


  • Keystone is considered census-designated place therefore their population is included in these numbers and was estimated to be 1,079 during the 2010 census.
  • Population Estimate – July 2015: 30,257

Summit County Population Projections

Summit County, like other Colorado resort communities, is growing. The State Demographer projects that Summit County’s permanent resident population will grow by 56% (15,708 residents) between 2010 and 2030, with an average annual growth rate of approximately 2.8% per year.


Based on 2014 population data



Median Age 36 years
Median household income in 2013 $62,730


Temperatures, like our altitudes, vary some across the County and elevation. With a record low of 22°F on July 7, 1938, the next year had a high of 89°F on July 15, 1939, so you don’t always know what you will get in Summit County. But the combination of temperatures with the dry air makes the weather here extremely comfortable all year long for all sorts of outdoor activities.

Temperatures in Summit County on average can be as low 0°F in the winter and as high as 74°F during our warmest month, July.

Breckenridge Monthly Average/Record Temperature

Map with Properties

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