The historic mining town of Ophir is a Home Rule Municipality governed by a general assembly and is located in San Miguel County, Colorado, United States. Ophir is located two miles from the Ames Hydroelectric Generating Plant, the world’s first hydroelectric plant to supply alternating current electricity for an industrial purposes (mining). The population was 159 at the United States Census, 2010 census.
Ophir is located at 37°51′22″N 107°49′52″W / 37.85611°N 107.83111°W / 37.85611; -107.83111 (37.856049, -107.831167).
According to the United States Census Bureau, the town has a total area of 0.2 square miles (0.52 km), all land.
As of the census of 2000, there were 113 people, 50 households, and 17 families residing in the town. The population density was 702.4 people per square mile (272.7/km²). There were 55 housing units at an average density of 341.9 per square mile (132.7/km²). The racial makeup of the town was 97.35% White, 0.88% from other races, and 1.77% from two or more races. Hispanic or Latino of any race were 2.65% of the population.
There were 50 households out of which 18.0% had children under the age of 18 living with them, 26.0% were married couples living together, 2.0% had a female householder with no husband present, and 66.0% were non-families. 24.0% of all households were made up of individuals and 2.0% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.82.
In the town, the population was spread out with 14.2% under the age of 18, 2.7% from 18 to 24, 65.5% from 25 to 44, 16.8% from 45 to 64, and 0.9% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 140.4 males. For every 100 females age 18 and over, there were 169.4 males.
The median income for a household in the town was $57,917, and the median income for a family was $81,421. Males had a median income of $37,321 versus $53,750 for females. The per capita income for the town was $33,579. There were no families and 6.1% of the population living below the poverty line, including no under eighteens and none of those over 64.