Denison, Texas

Denison population, 2020 to 2024

Denison added 1,904 residents from July 2020 to July 2024, a change of +7.8%. In the latest year it moved by +61. Among 384 Texas places of 5,000 or more, that growth ranks 151st; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Denison is 1.7 times that size.

Denison covers 29.02 square miles of land and 0.52 of water, for 911 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Denison is less dense than the typical town.

What county Denison is in

All of Denison's residents live in Grayson County, which had 150,532 residents in 2024. Denison holds 17.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Denison

1 ZIP Code Tabulation Area (ZCTA) overlaps Denison by at least 10% of the ZCTA's or the city's land: 75020. 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 Denison is

The Census internal point of Denison is at 33.766900, -96.580700. Austin, the capital, is 250.7 miles SSW in a straight line. The nearest larger place is Sherman, TX (50,229 people), 9.9 miles away. The nearest city of 100,000 or more is McKinney, TX, 39.4 miles away.

Daylight in Denison

At 33.77° N, Denison gets about 14 h 24 min of daylight around the June solstice and 9 h 55 min around the December solstice, a swing of 4 h 30 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Denison

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Pottsboro, 5.2 miles away, with 2,780 people.