Allen, Texas

Allen population, 2020 to 2024

Allen added 8,190 residents from July 2020 to July 2024, a change of +7.8%. In the latest year it moved by +894. Among 384 Texas places of 5,000 or more, that growth ranks 150th; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Allen is 7.4 times that size.

Allen covers 26.40 square miles of land and 0.08 of water, for 4,309 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Allen is denser than the typical town.

What county Allen is in

All of Allen's residents live in Collin County, which had 1,254,658 residents in 2024. Allen holds 9.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Allen

2 ZIP Code Tabulation Areas (ZCTAs) overlap Allen by at least 10% of the ZCTA's or the city's land: 75002, 75013. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Allen is

The Census internal point of Allen is at 33.109700, -96.673000. Austin, the capital, is 205.7 miles SSW in a straight line. The nearest larger place is Plano, TX (293,286 people), 6.0 miles away. The ground at the internal point is about 202 m (663 ft) above sea level.

Daylight in Allen

At 33.11° N, Allen gets about 14 h 21 min of daylight around the June solstice and 9 h 58 min around the December solstice, a swing of 4 h 23 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Allen daylight page.

Places near Allen

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Fairview, 4.1 miles away, with 10,922 people.