Incumbent Democratic mayor David Martin sought re-election to a third term in office, but lost renomination to state representative Caroline Simmons.

[2] Absentee ballots swung heavily in Simmons' favor resulting in a 5-points lead over Valentine.

According to the Connecticut Secretary of State, Martin was required to collect 1,550 signatures, 5 percent of the total number of registered Democrats in the city.

[9] Simmons won in a landslide, earning a majority of support in all of city's 20 voting districts.

[1] The Republican Stamford City Committee endorsed Joe Corsello as its mayoral candidate.