population of sedgwick county ks
Population of Sedgwick County. Last official estimated population of Sedgwick County was 499,282 (year 2014)[1]. This was 0.157% of total US population and 17.1% of total Kansas state population. Area of Sedgwick County is 1,009.1 miÂ² (=2613.6 kmÂ²), in this year population density was 494.77 p/miÂ². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Sedgwick County population in 2017 would be 499,971 .