Kirby, Texas

Kirby population, 2020 to 2024

Kirby lost 44 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by +25. Among 384 Texas places of 5,000 or more, that growth ranks 323rd; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so Kirby is 53% of it.

Kirby covers 2.00 square miles of land, for 4,052 people per square mile of land. The median Texas place of 5,000+ has 1,561, so Kirby is denser than the typical town.

What county Kirby is in

All of Kirby's residents live in Bexar County, which had 2,127,737 residents in 2024. Kirby holds 0.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Kirby

1 ZIP Code Tabulation Area (ZCTA) overlaps Kirby by at least 10% of the ZCTA's or the city's land: 78219. 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 Kirby is

The Census internal point of Kirby is at 29.461700, -98.385300. Austin, the capital, is 68.2 miles NE in a straight line. The nearest larger place is Converse, TX (31,400 people), 6.0 miles away. The nearest city of 100,000 or more is San Antonio, TX, 8.4 miles away.

Daylight in Kirby

At 29.46° N, Kirby gets about 14 h 02 min of daylight around the June solstice and 10 h 15 min around the December solstice, a swing of 3 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Kirby

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Windcrest, 3.7 miles away, with 5,782 people.