The marketplace town of Altrincham contains a population of 40,659 and it's found in the Trafford Metropolitan Borough, in Greater Manchester. Founded in 1290, the town of Altrincham is set south from the River Mersey and has a population density of 10,272 individuals for every sq . mile. The North West English town is regarded an wealthy area, due to its transport links into the major cities. For the property enhancements you're thinking of within the Altrincham area, make sure to use vetted firms and get the very best price by contrasting quotes.