Montgomery County Population 2018

Montgomery County's estimated population is 28,790 with a growth rate of -0.99% in the past year according to the most recent United States census data. Montgomery County is the 50th largest county in Illinois.

Year Population Growth Growth Rate
201728,790-289-0.99%
201629,079-151-0.52%
201529,230-212-0.72%
201429,4421160.40%
201329,326-285-0.96%
201229,611-245-0.82%
201129,856-238-0.79%
201030,094-634-2.06%
199030,728-958-3.02%
198031,6861,4264.71%
197030,260-984-3.15%
196031,244-1,216-3.75%
195032,460-2,039-5.91%
194034,499-779-2.21%
193035,278-6,125-14.79%
192041,4036,09217.25%
191035,3114,47514.51%
190030,8368332.78%
189030,0031,9256.86%
188028,0782,76410.92%
187025,31411,33581.09%
186013,9797,702122.70%
18506,2771,78739.80%
18404,4901,53752.05%
18302,9530.00%

Montgomery County Population Growth

Population Data via

Montgomery County Race Data

Race Population Percentage
White27,74696.37%
Black or African American1,0173.53%
Two or More Races2360.82%
Asian1210.42%
American Indian and Alaska Native650.23%
Native Hawaiian and Other Pacific Islander110.04%

Montgomery County Population Pyramid

0k0k0k1k1k1k Male Population0k0k0k1k1k1k 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