Richland County Population 2017

Richland County's estimated population is 409,549 with a growth rate of 0.67% in the past year according to the most recent United States census data. Richland County is the 2nd largest county in South Carolina.

Year Population Growth Growth Rate
2016409,5492,7070.67%
2015406,8425,5051.37%
2014401,3373,8490.97%
2013397,4883,9871.01%
2012393,5014,0261.03%
2011389,4753,6840.95%
2010385,791100,07135.02%
1990285,72015,9855.93%
1980269,73535,86715.34%
1970233,86833,76616.87%
1960200,10257,53740.36%
1950142,56537,72235.98%
1940104,84317,17619.59%
193087,6679,54512.22%
192078,12222,97941.67%
191055,1439,55420.96%
190045,5898,76823.81%
189036,8218,24828.87%
188028,5735,54824.10%
187023,0254,71825.77%
186018,307-1,936-9.56%
185020,2433,84623.46%
184016,3971,62511.00%
183014,7722,45119.89%
182012,3213,29436.49%
18109,0272,93048.06%
18006,0972,16755.14%
17903,9300.00%

Richland County Population Growth

Population Data via

Richland County Race Data

Race Population Percentage
Black or African American192,80947.08%
White191,93146.86%
Asian11,0072.69%
Two or More Races8,9592.19%
American Indian and Alaska Native1,5000.37%
Native Hawaiian and Other Pacific Islander6360.16%

Richland County Population Pyramid

0k5k10k15k20k25kRichland County Male Population0k5k10k15k20k25kRichland County Female Population

Population of Cities in Richland County

City 2010 Census 2016 Estimated Growth Growth Rate
Columbia13019213430941173.16%
Irmo111201217710579.51%
Blythewood20623099103750.29%
Eastover813809-4-0.49%
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