Bisti/De-Na-Zin Wilderness (Bisti Badlands) is a 45,000-acre wilderness area full of rock formations made of sandstone, shale, mudstone, and silt.
Angel Peak Scenic Area is located 15 miles south of Bloomfield in San Juan County, with over 10,000 acres of rugged terrain, badlands and deep canyons.
The San Juan River is a 383 mile long major tributary of the Colorado River and a primary drainage for the Four Corners.
Shiprock (Tsé Bitʼaʼí, "rock with wings") is a 27 million year old volcanic rock formation, designated as a National Natural Landmark, rising 1,583 feet above the desert.
The eggs and hoodoos in the Bisti Wilderness were formed in sand and silt revealed 73 million years ago when the Western Interior Seaway receded.
The Aztec Ruins National Monument, on 318 acres, consists of dwellings and sacred structures built by Ancient Pueblo Indians in the 12th and 13th Centuries.
Navajo Lake is a 3800 feet long and 400 feet deep reservoir located in northeastern San Juan County, created from a dam completed in 1962.
The La Plata Mountains, seen from San Juan County, are a small subrange of the San Juan Mountains in sw Colorado, and includes Hesperus Mountain at 13,332 feet.

County Demographics


Age

With a median age of 35.4, San Juan County's population is a little "younger" than New Mexico's (38.6) and the U.S. (38.5).

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Median Age
Under 18 Years Old
65 Years and Over

Race-Ethnicity

San Juan County has a culturally diverse population, with 38% Native American non-Hispanic, 20% Hispanic, and 38% White non-Hispanic residents.

Rural

San Juan County is geographically rural, with over 5500 square miles, and a population density of 22.5 people per square mile. One-third of the population (33.7%) lives in a rural area, compared to 22.6% across New Mexico.
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Square Miles
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People per Sq Mile
Live in Rural Area
Age & Race Ethnicity Estimates: Census, American Community Survey 5-year estimates: (Table DP05)
Direct Link to 5-Year Estimates.

See also alternative 1-year Estimates.

Percent Rural Estimates: Table P2, 2010 Decennial Census - Urban and Rural.
See also Housing Units inside Rural Areas
5-year estimates are used for Age and Race/Ethnicity, as these are more accurate for subpopulation estimates. These estimates do not, though, reflect population changes over the last four to five years.

The 1-year estimated median age for 2019 is 36.7 years, slightly higher than the 5-year estimate, suggesting a possible population change was a higher rate of out-migration of younger people during the recent population decline.

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