Jefferson County Population 2017

Jefferson County's estimated population is 31,139 with a growth rate of 2.28% in the past year according to the most recent United States census data. Jefferson County is the 27th largest county in Washington.

Year Population Growth Growth Rate
201631,1396932.28%
201530,4462420.80%
201430,2041520.51%
201330,0522300.77%
201229,822-50-0.17%
201129,872-30-0.10%
201029,9029,75648.43%
199020,1464,18126.19%
198015,9655,30449.75%
197010,6611,02210.60%
19609,639-1,979-17.03%
195011,6182,70030.28%
19408,9185726.85%
19308,3461,78927.28%
19206,557-1,780-21.35%
19108,3372,62545.96%
19005,712-2,656-31.74%
18908,3686,656388.79%
18801,71244435.02%
18701,268737138.79%
18605310.00%

Jefferson County Population Growth

Population Data via

Jefferson County Race Data

Race Population Percentage
White27,84989.43%
Two or More Races9963.20%
American Indian and Alaska Native6852.20%
Asian5381.73%
Black or African American3030.97%
Native Hawaiian and Other Pacific Islander750.24%

Jefferson County Population Pyramid

0k1k1k2k2kJefferson County Male Population0k1k1k2k2kJefferson County Female Population

Population of Cities in Jefferson County

City 2010 Census 2016 Estimated Growth Growth Rate
Port Townsend911395274144.54%
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