Meriden cost of living score 109.2 More expensive 9.2% higher than the US average 2.3% lower than the Connecticut average Meriden (zip 06451), Connecticut gets a BestPlaces Cost of Living score of 109.2, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 9.2% higher than the U.S. average and 2.3% higher than the average for Connecticut.