As of the census of 2000, there were 50,608 people, 19,741 households, and 14,035 families residing in the city. The population density was 2,059.7 people per square mile (795.3/km²). There were 20,299 housing units at an average density of 826.2/sq mi (319.0/km²). The racial makeup of the city was 92.85% White, 0.37% African American, 0.69% Native American, 0.83% Asian, 0.03% Pacific Islander, 3.21% from other races, and 2.02% from two or more races. Hispanic or Latino of any race were 8.57% of the population.
There were 19,741 households out of which 35.3% had children under the age of 18 living with them, 57.5% were married couples living together, 9.8% had a female householder with no husband present, and 28.9% were non-families. 23.4% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.01.
In the city the population was spread out with 26.9% under the age of 18, 7.8% from 18 to 24, 30.6% from 25 to 44, 22.1% from 45 to 64, and 12.5% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 96.1 males. For every 100 females age 18 and over, there were 92.4 males.
The median income for a household in the city was $47,119, and the median income for a family was $54,337. Males had a median income of $38,971 versus $26,714 for females. The per capita income for the city was $21,889. About 4.0% of families and 5.7% of the population were below the poverty line, including 6.7% of those under age 18 and 5.0% of those age 65 or over.
Allegiant Air.com offers regular passenger airplane service into the nearby Fort Collins / Loveland Airport. Denver International Airport, which is 70 miles to the south, is served by nearly twenty airlines. Loveland can be approached from Denver by car via Interstate 25.
U.S. Highway 34 runs East to West into the mountains through Loveland. It becomes Eisenhower Blvd. in the city, dividing it in half. Loveland's two main zip codes (80538 and 80537) are separated by this highway.
The city bus system in Loveland is called COLT -- City of Loveland Transit.