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Allen City Guide


Caddo and Comanche tribes lived in the region before immigrants of European descent came to Allen in the 1840s. The original township of Allen was located along the Houston and Texas Central Railroad. Allen was officially incorporated in 1953. 


Allen is the fourth largest city in Collin County.

Population 103,765

27.11 Square Miles


Median age 35.8

under 18 years 28.9%

16 years+ 63.4%

65 years and over, 8.1%

Median household income $107,602

Median home value $251,405

Public Schools

Allen ISD serves 21,567 in grades K-12. Students attend one of 18 elementary schools, three middle schools, one freshman center and one high school.


Experian, Frontier Communications, CVE Technology, Cisco, Fujitsu Network Communications, Samsung Mobile, AT&T, Experian, Cisco, and TierPoint, CyrusOne, Jack Henry & Associates, Forte Payment Systems, Northwestern Mutual, KONE, Finisar, WatchGuard Video, Quest Medical, Amphenol Fiber Systems Intl., Photronics, IntelliEPI, and Billings Productions are all major employers in Allen.


Allen is known for its outdoors with 1,196 acres of parkland, more than 70 miles of hike-and-bike trails, 60 parks and seven recreation facilities, including a municipal golf course, natatorium and one of the state’s largest outdoor skate parks. The state-of-the-art Allen Event Center is great concert and sports venue with a multipurpose facility and arena that hosts star performers, professional sporting events, and ice events.