Johnson County Population 2018

Johnson County's estimated population is 153,897 with a growth rate of 1.55% in the past year according to the most recent United States census data. Johnson County is the 11th largest county in Indiana.

Year Population Growth Growth Rate
2017153,8972,3541.55%
2016151,5432,6081.75%
2015148,9351,9181.30%
2014147,0171,6141.11%
2013145,4031,9611.37%
2012143,4421,7221.22%
2011141,7201,4511.03%
2010140,26952,16059.20%
199088,10910,86914.07%
198077,24016,10226.34%
197061,13817,43439.89%
196043,70417,52166.92%
195026,1833,69016.41%
194022,4937873.63%
193021,7069674.66%
192020,7393451.69%
191020,3941710.85%
190020,2236623.38%
189019,561240.12%
188019,5371,1716.38%
187018,3663,51223.64%
186014,8542,75322.75%
185012,1012,74929.39%
18409,3525,333132.69%
18304,0190.00%

Johnson County Population Growth

Population Data via

Johnson County Race Data

Race Population Percentage
White139,68290.76%
Asian3,9242.55%
Black or African American2,8201.83%
Two or More Races2,4061.56%
American Indian and Alaska Native4180.27%
Native Hawaiian and Other Pacific Islander880.06%

Johnson County Population Pyramid

0k1k2k3k4k5k6k Male Population0k1k2k3k4k5k6k Female Population8580757065605550454035302520151050
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