Rutherford County, Tennessee's estimated population is 347,561 with a growth rate of 2.25% in the past year according to the most recent United States census data.

Property Assessor Rob Mitchell tells NewsRadio WGNS Rutherford County is the 5th largest county in Tennessee. The 2010 Population was 263,708 and has seen a growth of 31.80% since this time. This is the fastest growth rate of any county in Tennessee! Our current parcel count is 136,067 which is an increase of 6,446 parcels over 2020. In 2010 our parcel count was 107,820. Our parcels have increased by 28,247 over the last decade. That is an increase of 26.20%

Other Tennessee counties are:

County                                                                                                                    2021 Population Estimate                                                       Growth Rate Est

Note: 2020 and 2021 data is projected