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Advertise here →Boulder County · Colorado
Boulder County, Colorado real estate & cities.
Countywide real estate hub for Boulder County, CO — 22 live city guides, public market snapshots, and connections to local professionals.
Boulder County, Colorado is a county-level market on USAHouses.com — a countywide hub linking verified city guides, public market data, and ways to connect with licensed professionals. We currently publish 22 city-level guides inside Boulder County, covering resale homes, condos, land, and new construction across the county.
County pages complement city guides: they group places by official Census county or county-equivalent boundaries, surface nearby counties and major Colorado cities, and link to NewUSAHouses.com builder hubs when available.
Boulder County corresponds to Census FIPS code 08013. FIPS is the geographic code for USA Counties.
County snapshot
Boulder County at a glance
City guides on USAHouses
22 live
Combined population (catalogued places)
293,286
Median household income (midpoint of places)
$132,589
Median home value range (Census ACS)
$541,400 – $1,572,800
County price trend (FHFA HPI)
-0.1% (2025)
Market data compiled from public sources on linked city guides and county-level datasets; deemed reliable but not guaranteed. Full source list ↗
Places in Boulder County
Cities & towns in Boulder County
Boulder County includes 22 places USAHouses.com tracks in its city manifest; 22 already have live market guides linked below.
Boulder
Pop. 106,274 · Market guide
Longmont
Pop. 98,958 · Market guide
Lafayette
Pop. 30,471 · Market guide
Louisville
Pop. 20,788 · Market guide
Superior
Pop. 13,136 · Market guide
Gunbarrel
Pop. 10,424 · Market guide
Niwot
Pop. 3,773 · Market guide
Lyons
Pop. 1,927 · Market guide
Nederland
Pop. 1,523 · Market guide
Lazy Acres
Pop. 1,056 · Market guide
Allenspark
Pop. 826 · Market guide
Paragon Estates
Pop. 767 · Market guide
Altona
Pop. 532 · Market guide
Pine Brook Hill
Pop. 497 · Market guide
St. Ann Highlands
Pop. 483 · Market guide
Sugarloaf
Pop. 442 · Market guide
Tall Timber
Pop. 376 · Market guide
Eldorado Springs
Pop. 355 · Market guide
Crisman
Pop. 253 · Market guide
Sunshine
Pop. 240 · Market guide
Bark Ranch
Pop. 117 · Market guide
Valmont
Pop. 68 · Market guide
Nearby
Nearby counties & major cities in Colorado
Other counties in Colorado with USAHouses city or county coverage:
Jefferson County
20 catalogued places
Arapahoe County
17 catalogued places
Weld County
15 catalogued places
Douglas County
14 catalogued places
Adams County
12 catalogued places
El Paso County
12 catalogued places
Eagle County
9 catalogued places
Garfield County
9 catalogued places
Larger Colorado cities with live USAHouses market guides — populous places first, including major metro hubs when available:
Colorado Springs
Major metro
Denver
Major metro
Aurora
Pop. 390,201 · Major metro
Fort Collins
Pop. 169,705 · Major city
Lakewood
Pop. 156,309 · Major metro city
Thornton
Pop. 142,878 · Major city
Arvada
Pop. 122,835 · Major metro city
Westminster
Pop. 115,546 · Major metro city
Major metro hubs serving buyers comparing Boulder County with larger nearby markets:
New construction
New homes in & near Boulder County
Verified new-construction communities on NewUSAHouses.com in Colorado — linked when a matching metro or state hub exists.
Local resources
Get help buying or selling in Boulder County
What can I afford?
Estimate a comfortable price range in under a minute, then connect with a lender for real numbers.
Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
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Lenders, inspectors, movers, and other local pros — this spot is open.
Advertise here →Reach Boulder County buyers
Builders: feature your communities in front of Boulder County buyers — learn about advertising ↗
Want to own this market? Ask about our Boulder County domains — see available domains ↗
Official resources
Boulder County government & services
Boulder County government
Official county or county-equivalent government website (source: public records / Wikidata). Official site ↗
Schools
St. Vrain Valley School District No. Re1J — 54 schools, 31,894 students (largest district in county by enrollment; attendance zones vary by address).
County house price trend
FHFA all-transactions HPI annual change -0.1% (2025).
Common questions
Boulder County FAQ
What cities and towns are in Boulder County, CO?
USAHouses.com currently catalogues 22 places in Boulder County, with live market guides for 22 of them. Census recognizes additional small places and CDPs in most counties that may not yet have dedicated pages.
Where should I start looking for homes in Boulder County?
Start with the live city guides for Boulder, Longmont, Lafayette, Louisville, Superior, and 17 more — each links Census market data, nearby places, and ways to connect with local professionals.
Does USAHouses.com cover new construction in Boulder County?
City and county guides link to NewUSAHouses.com where verified new-home communities exist in Colorado. Use the new-construction section on this page for same-state builder hubs; availability varies by market.
How is the Boulder County housing market trending?
County-level FHFA house price index data shows a -0.1% annual change in 2025 — a countywide benchmark, not a guarantee for any single city or street.
How do I connect with an agent in Boulder County?
Use the lead form at the bottom of this page to describe your buy or sell goals in Boulder County. USA HOUSES LLC is a platform/media company, not a brokerage; licensed professionals are disclosed separately.
Search Boulder County
Look up homes in Boulder County
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Where to go next
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