Allen, Texas
Allen is a city in Collin County, Texas, in the Dallas–Fort Worth metroplex, about 24 miles north of Dallas, with a population of about 113,746.
Collin
County
113,746
Population
Dallas–Fort Worth
Region
26.4 sq mi
Land Area
24 mi
to Dallas
Updated October 2026 · Population: U.S. Census Bureau estimate for July 1, 2024. Land area and coordinates: U.S. Census Bureau. · Allen on Wikipedia
Allen City Limits
The official city boundary and the major highways through Allen.
Major roads: State Hwy 5 · State Hwy 121 · State Hwy 399 · US Hwy 75
Boundary & roads: U.S. Census Bureau (TIGER/Line).
Allen from our research
What we've verified about Allen, one line per topic. Each links to the full page and its sources.
- History
- An 1870s railroad town named for an attorney general, where Sam Bass pulled off what is said to be Texas's first train robbery in 1878. Details →
- Dining
- 201 verified places to eat and drink; most common: Coffee, Sweets & Bakery · Asian · Pizza & Italian; 52 have a full bar. Details → Source: Texas Comptroller sales-tax permit records, checked place by place
- Schools
- 322 public schools within 12 miles, across 25 districts and charters, mainly Allen ISD, Plano ISD and Frisco ISD. Details → Source: Texas Education Agency — current schools
- Utilities
- A deregulated Oncor-grid electricity market where you choose your provider, plus Atmos gas, city water, and internet options. Details →
- Outdoors
- Nearest state parks: Ray Roberts Lake - Greenbelt Unit (25 mi), Ray Roberts Lake - Isle du Bois Unit (26 mi), Ray Roberts Lake - Buck Creek Unit (27 mi). Nearest lakes: Lavon Lake (11 mi), Lake Ray Hubbard (16 mi). Details → Source: Texas Parks & Wildlife Department — park locations
- Contractors
- 38 licensed plumbers, 75 licensed HVAC contractors and 49 licensed electricians serve Allen. Details → Source: TSBPE and TDLR license records, checked business by business
FAQ: Allen, Texas
Collin County. The U.S. Census Bureau's 2020 place-by-county list places all of Allen in Collin County.
East Texas guides — an easy drive from Allen
Weekend trips, lakes, festivals and small-town food east of the metroplex.
Things to Do in East Texas
What to do in East Texas, checked against official sources: Tyler's Rose Garden and Caldwell Zoo, Canton's First Monday Trade Days, the Texas State Railroad, state parks, museums and festivals.
Read Guide →Best Day Trips from Tyler and East Texas
Drive-time guide to day trips from Tyler: state parks, small towns, museums, and lakes within about 30 minutes, an hour, and up to three hours.
Read Guide →Best Lakes in East Texas
A fact-checked guide to 17 East Texas lakes, from Lake Fork's trophy bass and Caddo Lake to Toledo Bend, Sam Rayburn and Lake Tawakoni. Sizes, species, access and rules come from TPWD.
Read Guide →East Texas State Parks Guide
Twelve East Texas state parks from TPWD: Tyler, Caddo Lake, Atlanta, Lake Bob Sandlin, Tawakoni, Purtis Creek, Cooper, Martin Dies Jr. and more. Camping, cabins and passes.
Read Guide →Business Owner?
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