The Town of Lyons is a Statutory Town in Boulder County, Colorado, United States. The town population was 2033 at the 2010 United States Census, up from 1585 at the 2000 United States Census. Lyons is located at the confluence of North St. Vrain Creek and South St. Vrain Creek, 20 miles (32 km) east of Rocky Mountain National Park. Due to its location at the intersection of State Highway 7 and U.S. Highway 36 which lead to Rocky Mountain National Park, it is sometimes referred to as “The Double Gateway to the Rockies”.
Lyons is located in northern Boulder County at 40°13′26″N 105°16′8″W / 40.22389°N 105.26889°W / 40.22389; -105.26889 (40.223935, -105.269013).
According to the United States Census Bureau, the town has a total area of 1.2 square miles (3.2 km), of which 0.015 square miles (0.04 km), or 1.30%, is water, consisting of St. Vrain Creek and its branches.
As of the census of 2000, there were 1,585 people, 672 households, and 436 families residing in the town. The population density was 1,273.5 people per square mile (493.5/km²). There were 686 housing units at an average density of 551.2 per square mile (213.6/km²). The racial makeup of the town was 92.49% White, 0.38% African American, 0.88% Native American, 0.69% Asian, 4.23% from other races, and 1.32% from two or more races. Hispanic or Latino of any race were 8.01% of the population.
There were 672 households out of which 33.8% had children under the age of 18 living with them, 49.3% were married couples living together, 11.5% had a female householder with no husband present, and 35.1% were non-families. 25.7% of all households were made up of individuals and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.85.
In the town, the population was spread out with 24.0% under the age of 18, 6.9% from 18 to 24, 36.3% from 25 to 44, 26.8% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 101.4 males. For every 100 females age 18 and over, there were 101.8 males.
The median income for a household in the town was $50,764, and the median income for a family was $58,750. Males had a median income of $45,417 versus $29,750 for females. The per capita income for the town was $28,276. About 6.6% of families and 8.3% of the population were below the poverty line, including 12.2% of those under age 18 and 2.3% of those age 65 or over.
Lyons Colorado neighborhoods include: Apple Valley Roaders, Big Elk Meadows, Blue Mtn Spring Gulch, Longmont Dam Rd, Lyons – South of Main St, Old North, Pinewood Springs, S St Vrain Dr, Stone Canyon