Eldora is a community in Boulder County, Colorado, home to about 465 people across 4.2 square miles. It has no ZIP code of its own: it’s part of 80466.
Homes sold for a median of $442 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Nederland; part is in Eldora
Each card is that ZIP code’s whole market, including any part outside Eldora. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Eldora’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Eldora well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Denver International Airport (DEN)43 miles away |
|---|---|
| Closer regional airport | Rocky Mountain Metropolitan Airport (BJC)20 miles away |
| Nearest city of 250,000+ | Denver, CO35 miles away |
| Nearest city of 1 million+ | Phoenix, AZ573 miles away |
Straight-line distances from the center of Eldora; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Eldora had 140 residents in the 2020 census, down 18% since 2000.
It’s the 291st largest of 472 towns in Colorado by population.
Boulder County grew from 21,544 residents in 1900 to 330,758 in 2020.
Boulder County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 68°F in summer, and winter lows average 12°F. About 34 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Boulder 14 W, CO weather station (5 miles away).
159,619 jobs at 12,990 businesses in Boulder County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
23 doctors and other health care providers list an office in Eldora.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 15 |
| Physical and occupational therapists | 2 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores
Libraries
Museums
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Boulder Valley School District No. Re2. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Nederland Elementary SchoolNederland | Pre-K–5 | 196 | Public | 1.9 mi |
| Nederland Middle-Senior High SchoolNederland | 6–12 | 235 | Public | 2.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Nederland, St. Ann Highlands, Bonanza Mountain Estates and Ward.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.