Population 2010

277,789

Population 2020

329,226

Registered Voters

172,159

Republicans

86,831

Democrat

84,137

Minor Party

1,191

No Party

Municipalities

Cities Population 
  Fort Pierce 47,297
Port St. Lucie 204,851
St. Lucie Village 590
Fort Pierce North 6,904
Fort Pierce South 5,062
Hutchinson Island South 4,846 
Indian River Estates 6,220
Lakewood Park 11,323
River Park  5,222

Superintendent of Schools

Treasurer / Tax Collector

County Commission

School Board

Brief Political History

According to St. Lucie County Supervisor of Elections website, registered voters as of September 10, 2020, totaled 217,666: Democratic 85,714, Republican 72,554, NPA 56,500, Other 2,898. St. Lucie County has favored the Democratic Party in recent decades, but in 2016 and 2020, it voted for Republican Party candidate Donald Trump.

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