This page provides links to data from the National Transit Database (NTD) and the U.S. Census that FTA used to calculate the Fiscal Year (FY) 2025 formula apportionments. Beginning in FY 2024, FTA has used 2020 Census data in its apportionment calculations.

National Transit Database (NTD) DATA

• National Transit Database Data Used for the Section 5307 Urbanized Area Formula and Section 5339 Bus Formula Apportionments
• National Transit Database Data Used for the Small Transit Intensive Cities (STIC) Apportionments
• National Transit Database Data Used for the Section 5311 Apportionments
• National Transit Database and Census Data Used for the Tribal Transit Apportionments
• National Transit Database Data Used for the State of Good Repair Fixed Guideway and High Intensity Motorbus Tier Apportionments
• National Transit Database Data Used for the State Safety Oversight Apportionments

U.S. Census Data

• Census Urbanized Area Population and Population Density Data (used for Section 5303, 5305, and 5307 apportionments)
• Census Data on Older Adults and People with Disabilities (used for the Section 5310 Enhanced Mobility of Older Adults and People with Disabilities apportionments)
• Census Data on Rural Population and Land Area (used for the Section 5311 Rural Area Formula apportionments)
• Census Low Income Population Data (used for the Section 5307 and 5311 apportionments)