COUNTY DETAILS
| Year Originated: | 1799 |
| County Road Miles: | 727.00 |
| Number of Parcels: | 92,236 |
| Incorporated Cities or Towns: | Brentwood (40401), Fairview (8002), Franklin (70908), Nolensville (7936), Spring Hill (36530), Thompson's Station (4726) |
POPULATION
| 2020 Population: | 247,726 |
| 2020 Population per Square Mile: | 425.65 |
| 2010 Population: | 183,182 |
COUNTY STRUCTURE
| County Structure: | Traditional |
| Development District: | Greater Nashville Regional Council |
| Judicial District: | 21 |
LEGAL AUTHORITY
| Fiscal Procedures Law: | Fiscal Control Acts of 1957 |
| Budgeting Law: | Fiscal Control Acts of 1957, Private Acts of 2001 Chapter 56 |
| Purchasing Law: | Fiscal Control Acts of 1957 |
| Private Acts: | Williamson County Private Acts |
Number of Commissioners: 24
Number of Commission Districts: 12
County Legislative Meeting Information: 7:00 p.m. - 2nd Monday in January, February, March, May, June, July meeting held at 9:00 a.m., September, October, and November
Number of Commission Districts: 12
County Legislative Meeting Information: 7:00 p.m. - 2nd Monday in January, February, March, May, June, July meeting held at 9:00 a.m., September, October, and November
| Highway Commissioner | David Coleman | (615) 390-2986 davidlcoleman615@gmail.com |
| Highway Commissioner | Wayne Davis | (615) 794-6552 sjvad212@aol.com |
| Highway Commissioner | Stan Tyson | (615) 790-1404 wstyson@bellsouth.net |
| Highway Commissioner | Charles Wilson | (615) 771-9343 cwilsonsr@wilsonpc.com |
CTAS Consultants
County Government Consultant: Wesley Robertson
Environmental Consultant: Mike Stooksberry
Assessor Consultant: Joe Griffin
Criminal Justice Consultant: Clint Shrum
Jail Administration Consultant: Jim Hart
Fire Consultant: Marc Alley