Each edition grades its towns against each other only.
69% of the land in Eldora is conserved, where Colorado’s towns sit at 6.9% and U.S. towns at 4.3%. Its National Register listings include Wall Street Assay Office and Eldora Historic District. Eldora has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Eldora beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 6 old photos and papers going back to 1898.
4 places on the National Register of Historic Places.
Museums, parks, gardens and other places to visit around Eldora. Close and well known come first.
Big draw29 mi TheatreRed Rocks Amphitheatre
14 mi National ParkRocky Mountain National Park4.2M visitors a year
Big draw33 mi Stadium & arenaEmpower Field at Mile High
34 mi Stadium & arenaBall Arena
34 mi Stadium & arenaCoors Field
21 mi MountainLongs PeakRed Rocks Amphitheatre: Unknown, CC BY-SA 3.0 · Rocky Mountain National Park: Charles M. Sauer -- Charlessauer, CC BY-SA 3.0 · Empower Field at Mile High: Thelastcanadian, CC BY-SA 3.0 · Ball Arena: KM Newnham, CC BY-SA 2.5 · Coors Field: Matt Kozlowski, CC BY-SA 3.0 · Longs Peak: Photo by Scott Bauer., Public domain
Eldora is unincorporated, so Boulder County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Eldora.
For Eldora, the concentration of trails is 2.4 miles per square mile. Trails total 9.9 miles in 1 park or preserve. The town has one park or preserve, 3 acres in all.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Indian Peaks Wilderness | — | 3 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
A bachelor’s degree or higher: 54% of adults 25 and older, vs 46% across Colorado.
Somewhere between 1% and 35% women
The Census survey reached too few of Eldora’s residents to say more: its margin here is ±17.2 points. Across Colorado, 49.3% of residents are women.
| Eldora | CO | U.S. | |
|---|---|---|---|
| Under 10 | 0% | 10.9% | 11.6% |
| 10 to 17 | 0% | 10.1% | 10.3% |
| 18 to 24 | 28.4% | 9.1% | 9.1% |
| 25 to 34 | 23% | 15.7% | 13.7% |
| 35 to 44 | 0% | 14.6% | 13.2% |
| 45 to 54 | 26.2% | 12.2% | 12.2% |
| 55 to 64 | 7.3% | 11.8% | 12.7% |
| 65 to 74 | 12.3% | 9.6% | 10.2% |
| 75 and older | 2.8% | 5.9% | 7% |
| No diploma | 0% | 7.1% | 10.4% |
| High school | 8.1% | 19.7% | 26% |
| Some college | 9.9% | 19.2% | 19.1% |
| Associate’s | 28.2% | 8.3% | 8.8% |
| Bachelor’s | 45.6% | 28.1% | 21.6% |
| Graduate | 8.1% | 17.6% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 500, single groups can be off by several points
Expected storm and flood damage is higher than in 92% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Eldora brings chilly, snowy winters and cool summers. July afternoons reach 72°, January nights drop to 15° and about 214 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
The share of adults in Eldora who had a checkup this year: 72%. CDC measures, 26 in all: Eldora beats Colorado on 8 and trails on 2. Among adults locally, 20% have obesity, against 26% in Colorado’s towns and 35% across U.S. towns. Also worth knowing: only 8 of the 160 Colorado towns we compare have a lower share of adults who sleep under 7 hours than Eldora.
| Eldora | Colorado towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 25% | 30% | 36% |
| Obesity (CDC PLACES) | 20% | 26% | 35% |
| Get no exercise (CDC PLACES) | 13% | 16% | 25% |
| Frequent mental distress (CDC PLACES) | 15% | 16% | 17% |
| What stands out | Eldora | CO |
|---|---|---|
| Fewer uninsured adults | 6.4% | 11.1% |
| Fewer adults who get no exercise | 12.6% | 17.7% |
| More adults who have had cancer | 10.2% | 7.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Eldora; the nearest are
About 0 of every 100 Eldora residents are enrolled in college, against 6 across Colorado.
4 places in Eldora on the National Register of Historic Places.
Census-designated place in Boulder County, Colorado, United States
Eldora (pronounced el-DOH-ruh), previously known as "Eldorado" then "El-Dora", then Eldora or Camp Eldorado, and still called Happy Valley, is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Eldora CDP was 140 at the United States Census 2020. The Nederland post office (Zip Code 80466) serves the area. Eldora is located within the Roosevelt National Forest, and is primarily an alpine, densely forested, and densely but smally populated area. Eldora is tucked into the valley carved by glaciation during the last ice age an…
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Eldora has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
