Seminole County Population 2017

Seminole County's estimated population is 455,479 with a growth rate of 1.51% in the past year according to the most recent United States census data. Seminole County is the 13th largest county in Florida.

Year Population Growth Growth Rate
2016455,4796,7571.51%
2015448,7226,3961.45%
2014442,3265,8141.33%
2013436,5125,0251.16%
2012431,4874,4231.04%
2011427,0643,9810.94%
2010423,083135,55447.14%
1990287,529107,77759.96%
1980179,75296,060114.78%
197083,69228,74552.31%
196054,94728,064104.39%
195026,8834,57920.53%
194022,3043,56919.05%
193018,7357,74970.54%
192010,9860.00%

Seminole County Population Growth

Population Data via

Seminole County Race Data

Race Population Percentage
White360,71379.19%
Black or African American55,00612.08%
Asian19,1474.20%
Two or More Races11,3492.49%
American Indian and Alaska Native1,9380.43%
Native Hawaiian and Other Pacific Islander5690.12%

Seminole County Population Pyramid

0k5k10k15kSeminole County Male Population0k5k10k15kSeminole County Female Population

Population of Cities in Seminole County

City 2010 Census 2016 Estimated Growth Growth Rate
Sanford537155860548909.10%
Altamonte Springs415014349219914.80%
Oviedo3348339337585417.48%
Winter Springs333173559922826.85%
Casselberry26091270539623.69%
Lake Mary1381816198238017.22%
Longwood136531501113589.95%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990