The posted sign at the edge of Madison listed the population as "700 give or take a few."

The census in 2000 listed the total population of Baldwin at 853.

The 2010 census lists the population of the city as 14,618.

The 1868 National gazetteer lists the parish population as 652 in 149 houses.

The Isle of Man census 2006 listed the population as 1,294.

However, over the next ten years, the population grew rapidly, with the 1931 census listing the population as 2,368.

As of the 2010 census listed the population at 8,121.

In 1850, the census listed the population at around 6,962.

The 2000 census lists the population of the city as 7,590.

However, the 2012 Civil Registry listed the population of the city as 175,830.