Polk County Demographics

Polk County at a Glance

The number of households in Polk County in 1990 was 155,972 and changed to 187,233 in 2000, representing a change of 20.0%. The household count in 2006 was 210,144 and the household projection for 2011 is 229,236, a change of 9.1%. The population in Polk County in 1990 was 405,384 and in 2000 it was 483,924, roughly a 19.4% change. The population in 2006 was 543,707 and the projection for 2011 is 592,200 representing a change of 8.9%.

In 1990, the median age of the total population in Polk County was 36.4, and in 2000, it was 38.6. The median age in 2006 is 38.4 and it is predicted to change in five years to 38.1 years. In 2006, females represented 50.8% of the population with a median age of 40.0 and males represented 49.3% of the population with a median age of 36.8 years. In 2006, the most prominent age group in Polk County is Age 5 to 14 years. The age group least represented is 18 to 24 years.

In 2006 the predominant household income category in Polk County is $50K - $75K, and the
income group that is least represented is $150K +.

Polk County Executive Summary - PDF
Polk County Demographic Summary Detail - PDF
Polk County Market Profile
Zip Code Profiles: Marion, Lake, Citrus
Income and Sales Projections