Bell County Population 2018
Bell County's estimated population is 347,833 with a growth rate of 1.94% in the past year according to the most recent United States census data. Bell County is the 16th largest county in Texas.
| Year | Population | Growth | Growth Rate |
| 2017 | 347,833 | 6,630 | 1.94% |
| 2016 | 341,203 | 5,109 | 1.52% |
| 2015 | 336,094 | 5,846 | 1.77% |
| 2014 | 330,248 | 3,098 | 0.95% |
| 2013 | 327,150 | 2,161 | 0.66% |
| 2012 | 324,989 | 9,180 | 2.91% |
| 2011 | 315,809 | 2,955 | 0.94% |
| 2010 | 312,854 | 121,766 | 63.72% |
| 1990 | 191,088 | 33,199 | 21.03% |
| 1980 | 157,889 | 33,406 | 26.84% |
| 1970 | 124,483 | 30,386 | 32.29% |
| 1960 | 94,097 | 20,273 | 27.46% |
| 1950 | 73,824 | 28,961 | 64.55% |
| 1940 | 44,863 | -5,167 | -10.33% |
| 1930 | 50,030 | 3,618 | 7.80% |
| 1920 | 46,412 | -2,774 | -5.64% |
| 1910 | 49,186 | 3,651 | 8.02% |
| 1900 | 45,535 | 12,158 | 36.43% |
| 1890 | 33,377 | 12,859 | 62.67% |
| 1880 | 20,518 | 10,747 | 109.99% |
| 1870 | 9,771 | 4,972 | 103.60% |
| 1860 | 4,799 | 0.00% |