Population.us

Population of Jefferson County

Last official estimated population of Jefferson County was 29,904 (year 2014)^[1]. This was 0.009% of total US population and 0.4% of total Washington state population. Area of Jefferson County is 2,183.1 mi² (=5654.3 km²), in this year population density was 13.70 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Jefferson County population in 2025 would be 29,992 ^[0].

Historical population

Historical population of Jefferson County for period 1860-2014 ^[1] , ^[2] , ^[3]:

Maps: Population, population density, population changes

Estimated population for 2014^[1]. Population density is in p./sq.mi ^[4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 ^[5]. Click on flag to hide it.

Population • Density • Changes • Legends • Position

Demography

Counties near Jefferson County

• King County population 81.8 mi, 105°
• Pierce County 82.7 mi, 129°
• Snohomish County 83.3 mi, 78°
• Thurston County 68.4 mi, 151°
• Kitsap County 42.4 mi, 105°
• Island County 46.5 mi, 58°
• Grays Harbor County 49.8 mi, 196°
• Clallam County 27 mi, 321°
• Mason County 35.3 mi, 152°
• San Juan County 52.3 mi, 21°

Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, archived from the original, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016

[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

*Lewis Washington Notes