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Colorado Market Research · Reviewed August 25, 2026

Start broad. Narrow only when the evidence supports it.

Explore all 64 Colorado counties, then sort by city or community, ZIP, neighborhood, or an exact address. No individual area is treated as the default market.

Colorado county explorer

Choose a county. Keep the geography honest.

Every county is shown with its official Census GEOID. Select a county on the map or use the alphabetical list; both lead to the same canonical research page.

Arapahoe County08005 · Public Market Data AvailableErin’s Active Market Coverage
Colorado countiesAn authoritative Census county-boundary map. Use the county links or the alphabetical list to open research.

Geometry: U.S. Census TIGERweb State_County. Simplified for web display; GEOIDs and county relationships are retained.

64 of 64 counties · select a name to open its research page.

Erin’s Active Market Coverage Public Market Data Available Public geography foundation ready
Erin’s Active Market Coverage · Proposed footprint

Fort Collins → Denver International Airport → Colorado Springs → Evergreen, using verified driving-market relationships rather than a rectangle.

Counties: Adams · Arapahoe · Boulder · Broomfield · Clear Creek · Denver · Douglas · El Paso · Jefferson · Larimer · Weld

Municipalities and communities: Aurora · Boulder · Broomfield · Castle Rock · Colorado Springs · Denver · Evergreen · Fort Collins · Golden · Lakewood · Littleton · Loveland · Parker · Thornton · Westminster · Wheat Ridge

This proposal requires Erin’s approval before it is used as a service promise. Public statewide geography remains available regardless.

Denver Metro Registry

Browse the seven-county metro

Every metro county has equal placement. ZIPs and cities may belong to more than one county; use the Colorado explorer above for the statewide directory.

Broader market context

Adams

15 cities or communities · 41 boundary ZIPs

Open county research Broader market context

Arapahoe

15 cities or communities · 48 boundary ZIPs

Open county research Broader market context

Boulder

13 cities or communities · 32 boundary ZIPs

Open county research Broader market context

Broomfield

1 city or community · 12 boundary ZIPs

Open county research Broader market context

Denver

1 city or community · 53 boundary ZIPs

Open county research Broader market context

Douglas

14 cities or communities · 29 boundary ZIPs

Open county research Broader market context

Jefferson

16 cities or communities · 46 boundary ZIPs

Open county research
State contextColorado market researchBroad context · source periods attachedMetro contextDenver Metro market researchDirect metro signals · seven counties

City + Community Index

Sort alphabetically

AllensparkApplewoodArvadaAuroraBennettBerkleyBoulderBow MarBrightonBroomfieldByersCastle PinesCastle RockCentennialCherry Hills VillageColumbineColumbine ValleyCommerce CityConiferDeer TrailDenverDerbyEdgewaterEnglewoodErieEvergreenFederal HeightsFoxfieldFranktownGeneseeGlendaleGoldenGreenwood VillageGunbarrelHendersonHighlands RanchJamestownKen CarylLafayetteLakewoodLarkspurLittletonLone TreeLongmontLouisvilleLyonsMorrisonMountain ViewNederlandNiwotNorthglennParkerPerry ParkRoxborough ParkSedaliaShaw HeightsSheridanStonegateStrasburgSuperiorThe PineryThorntonTodd CreekWardWelbyWestminsterWheat Ridge

Neighborhood Registry

Boundary review first

Southeast Aurora · Local detail developing

ZIP Index

All 159 boundary ZIPs

800028000380004800058000780010800118001280013800148001580016800178001880019800208002180022800238002480025800268002780030800318003380045801018010280103801048010580106801078010880109801108011180112801138011680118801208012180122801238012480125801268012780128801298013080131801328013380134801358013680137801388020280203802048020580206802078020980210802118021280214802158021680218802198022080221802228022380224802268022780228802298023080231802328023380234802358023680237802388023980241802468024780249802608026480266802908029380294803018030280303803048030580310804018040380419804218042280425804338043980446804478044880452804538045480455804568045780465804668047080471804748048180482805018050380504805108051380514805168051780540805448060180602806038064080642806438065280654807018075780827808288086380908

Coverage Standard

Geography exists before market data does.

County and city foundation: DRCOG member governments and U.S. Census place geography. ZIP foundation: 2025 Census ZCTA boundary intersections; HUD-USPS residential ratios pending. Neighborhood foundation: Official municipal boundaries, MLS subdivisions, and Erin-reviewed local names.

When a neighborhood or ZIP release is not available, pages show Denver Metro direction in a separate context section rather than presenting it as local data.