Kirby is part of the San Antonio Metropolitan Area and is sometimes considered the hobo capital of Texas. It has a diverse population of 8,170 as of July 1, 2015, which is expected to grow by 0.87% each year through 2020. The city occupies an area of 1.9 square miles, two percent of which is water and is split into the northern and southern sections that differ in both culture and appearance. Founded in the early 1900s by German immigrants, it was first considered an agricultural community with German as its commonly spoken language at that time. Nowadays the city can govern and mandate ordinances and actions by itself, provided that they stay inside the state or federal law.
Residents are zoned to Judson Independent School District. The city is a major producer of naturally grown pecans. Its large community sector offers a great support, and its natural resources can be found both in the neighborhoods and agriculture sector alike. There are 2,916 households with an average family size of 3 as of July 1, 2015, and 3,143 housing units. Recently, the average listing price for homes for sale in Kirby was $108,487, and the average household income is $54,517.