Fargo, ND (population: 95,232) has one math school within its city limits. North Dakota State University-Main Campus has a total student population of 14,189. It is the 1427th highest ranked school in the USA and the 6th highest in the state of North Dakota (#1 is University of Mary).
Math students from Fargo schools who go on to become mathematicians, math teachers, biomathematicians, actuaries, etc. have a good chance at finding employment. For example, there are 2,770 people working as mathematicians alone in the US, and their average annual salary is $93,920. Also, Statisticians make on average $75,220 per year and there are about 21,370 of them employed in the US today.
Fargo lies in Cass county, which is one of the 32 counties in North Dakota. Overall, the Fargo-MN area has 120,180 total employed workers according to the US Bureau of Labor Statistics, with a 2.6% unemployment rate, $17.77/hr average worker wage, and a $36,960 average annual salary.
After taking into account tuition, living expenses, and financial aid, North Dakota State University-Main Campus ends up costing a student $12,847/yr.