It wasn't until 1965 that Southlake officially became a city, according to the Southlake Historical Society. After that, the city set at work improving roads, upgrading city services and expanding the school to include kindergarden all the way through grade 12.
As the area grew, the city rezoned the land to ensure homes were not next to industrial zones. This led to the first true master-planned subdivision in the 1990s -- Timarron. Today the city has more than 60 distinct subdivisions. (source - https://southlakehistory.org/history-of-southlake/our-rich-past/) The city has grown tremendously over this time. Planned subdivision like Timarron made much of this possible.
Here's a look at population changes over the years:
| People |
Year |
| 1,023 |
1960 |
| 2,031 |
1970 |
| 2,808 |
1980 |
| 7,082 |
1990 |
| 21,519 |
2000 |
| 26,575 |
2010 |
| 31,797 |
2019 |
Source: https://www.tshaonline.org/handbook/entries/southlake-tx