Population Forecast
5 year Forecast - 3.1%
The current population of the Madison-Janesville-Beloit, WI Market is 1,082,587 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 3.1%, resulting in a Population of 1,115,897 by January 2031. This percentage change in Population ranks 67th across STI Markets. The Madison-Janesville-Beloit, WI Market currently ranks 94th in overall population, and will rank 93rd by January 2031.
High and Low Range - -0.3% to 11%
While the summation of mid range 5 year forecasts foresee a change in Population of 3.1% for Madison-Janesville-Beloit, WI Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 11% at 1,202,119. Similarly a population change as low as -0.3% at 1,079,716 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 6.7%
By January 2036 we project the Population of the Madison-Janesville-Beloit, WI Market to be 1,155,168 resulting in a change of 6.7% compared to the current Population. This projected percentage change in Population ranks 64th across STI Markets. The Madison-Janesville-Beloit, WI Market currently ranks 94th in overall population, and will rank 91st by January 2036.
