Formula Apportionments Data

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) 2023 formula apportionments. Beginning in FY 2013, FTA has used 2010 Census data in its apportionment calculations.

• Section 5307-STIC-Growing States-High Density States FY 23 Full Year Table
• Census Urbanized Area Population and Population Density Data (used for Section 5303, 5305, and 5307 apportionments) 
• 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 
• 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)
• National Transit Database Data Used for the Section 5311 Apportionments 
• Census Low Income Population Data (used for the Section 5307 and 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 Tier apportionments 
• National Transit Database Data Used for the State of Good Repair High Intensity Motorbus Tier Apportionments 
• National Transit Database Data Used for the State Safety Oversight Apportionments