Johnson County Population 2017

Johnson County's estimated population is 151,982 with a growth rate of 1.77% 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
2016151,9822,6441.77%
2015149,3381,9921.35%
2014147,3461,7121.18%
2013145,6342,0991.46%
2012143,5351,7811.26%
2011141,7541,4731.05%
2010140,28152,17259.21%
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
White139,68291.91%
Asian3,9242.58%
Black or African American2,8201.86%
Two or More Races2,4061.58%
American Indian and Alaska Native4180.28%
Native Hawaiian and Other Pacific Islander880.06%

Johnson County Population Pyramid

0k1k2k3k4k5k6kJohnson County Male Population0k1k2k3k4k5k6kJohnson County Female Population

Population of Cities in Johnson County

City 2010 Census 2016 Estimated Growth Growth Rate
Greenwood5118356545536210.48%
Franklin237312486711364.79%
Bargersville59737213124020.76%
Edinburgh44884577891.98%
Whiteland416743461794.30%
Trafalgar11011182817.36%
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