The US Department of Transportation through the Federal Transit Administration and Texas Department of Transportation (Public Transportation Division) take into account several factors to determine Transit agencies funding whereas population is a key factor for operating and capital grant opportunities.
United States Census 2020
https://2020census.gov/en.html
Federal Transit Administration
The US Census defines urbanized areas as geographic areas with a population of 50,000 or more. According to the 2010 US Census, there are 498 urbanized areas. For National Transit Database purposes, the NTST groups urbanized areas into three size categories: • Large urbanized areas: population of more than 1 million (42 urbanized areas, 380 agencies, or 39.9 percent of all agencies reporting).
Exhibit A 2: 2016 Reduced Reporter Modes
National Transit Summaries & Trends 2016
8 — Appendix
- Medium urbanized areas: population of more than 200,000 but less than 1 million (132 urbanized areas, 241 agencies, or 25.3 percent of all agencies reporting). • Small urbanized areas: population of less than 200,000 but more than 50,000 (286 urbanized areas, 332 agencies, or 34.8 percent of all agencies reporting).