3. Oklahoma
Score: 174;
Ranking on Cost of Living Data Series list: #3;
Average college tuition, plus taxes: $62,052;
Average annual cost of child care: $7,480;
Oklahoma, the next state on the list of cheapest states to live in the US for families is the place where you will find some of the most affordable universities in the US and incredibly low housing expenses. Vast uninhabited plains offer great opportunities for outdoor excursions, and there are also Wichita Mountains, which host a unique wildlife refuge. Although Oklahoma is not one of the states known for great education, some of the suburbs surrounding Oklahoma City do have an exceptionally good public school system.
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