Johnson County Population 2017

Johnson County's estimated population is 12,902 with a growth rate of 0.51% in the past year according to the most recent United States census data. Johnson County is the 82nd largest county in Illinois.

Year Population Growth Growth Rate
201612,902650.51%
201512,83730.02%
201412,834-11-0.09%
201312,845-67-0.52%
201212,912600.47%
201112,8522431.93%
201012,6091,26211.12%
199011,3471,72317.90%
19809,6242,07427.47%
19707,5506228.98%
19606,928-1,801-20.63%
19508,729-1,998-18.63%
194010,7275245.14%
193010,203-1,819-15.13%
192012,022-2,309-16.11%
191014,331-1,336-8.53%
190015,6676544.36%
189015,0131,93514.80%
188013,0781,83016.27%
187011,2481,90620.40%
18609,3425,228127.08%
18504,11448813.46%
18403,6262,030127.19%
18301,59675389.32%
18208430.00%

Johnson County Population Growth

Population Data via

Johnson County Race Data

Race Population Percentage
White11,40088.36%
Black or African American1,2399.60%
Two or More Races1230.95%
American Indian and Alaska Native410.32%
Asian300.23%
Native Hawaiian and Other Pacific Islander40.03%

Johnson County Population Pyramid

0k0k0k0k0k1k1kJohnson County Male Population0k0k0k0k0k1k1kJohnson County Female Population

Population of Cities in Johnson County

City 2010 Census 2016 Estimated Growth Growth Rate
Vienna1434169726318.34%
Goreville10501069191.81%
Cypress23423841.71%
New Burnside21121431.42%
Buncombe20320631.48%
Belknap10410621.92%
Simpson606111.67%
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