Below are a list of the cities located in Sullivan County, IN. There are 10 total unique zip codes in Sullivan County, Indiana. The time zone for Sullivan County is the Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 18153.
The population in Sullivan County, IN is currently 20,758. That is a decrease of -4.76% vs the population of 21,475 in 2010.
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