Perhaps for the first time in history, Radnor Township is now considered Democrat by registration.
The table that follows includes the latest registration data from the State Board of Elections for Radnor Township as of April 6, 2009.
| Registration Party | # Registered | % of Registered Voters |
| Dems | 8,431 | 41.99 |
| Reps | 8,407 | 41.87 |
| NP and Other | 3,240 | 16.14 |
| ALL | 20,078 | 100.00 |













