1915Government
Adelanto was founded in 1915 by E.
1917Government
The name Adelanto means 'progress' or 'advance' in Spanish, and was first given to the post office that was established on the site in 1917.
1941Military
As the wartime emergency developed early in 1941, the Victorville Army Air Field was established with land within the Adelanto sphere of influence.
1950History
In September 1950, the airfield was named George Air Force Base in honor of the late Brigadier General Harold H.
1970Government
Adelanto continued as a "community services district" until 1970 when the city incorporated, and Adelanto became San Bernardino County's then smallest city.
1975History
Adelanto had a card room called the Hi Desert Casino which operated from 1975 to 1997.
1980History
census; and then as a city in the 1980 United States census.
1991Crime
The openings of several area prisons began in 1991, and the city government approved the construction of two private prisons.
1992Government
The city became a charter city in November 1992.
1999Disaster
Until 1999, fire protection was provided by the city's own fire department.
2006History
While most of California has seen property values rise to historic highs, much of the Victor Valley region has yet to recover to the 2006 peak.
2008History
Like neighboring Victorville, Adelanto suffered severely from the collapse of real estate values after the 2008 financial crisis.
2009Government
The former regional station (next to the Victorville Courthouse), serving unincorporated areas of the Victor Valley, was consolidated into the Adelanto Station in 2009.
2013Disaster
In 2013, they closed a fire station and laid off a quarter of the town's staff.
2016Crime
The city, as of 2016, collects $160,000 annually in total from the prisons within the city limits.
2017Government
For the 2017 season, the Pecos League established the High Desert Yardbirds to fill the void at Adelanto Stadium.
2019History
By 2019, two cannabis dispensaries were serving recreational users as the city council considered proposed changes to the city's cannabis laws to generate additional revenue to ...
2023History
=== 2023 estimates ===
According to the 2023 American Community Survey, the median household income was $68,419, and the per capita income was $19,480.