Missouri · Population 15,967 · Updated March 2026
How far your income goes in Grain Valley
State-level tax rates that affect your costs
Grain Valley has a cost of living close to the national average, offering a balanced mix of expenses and amenities. With a cost index of 95 (where 100 equals the national median), Grain Valley residents can expect to pay median rent of $1,366/month while earning a median household income of $87,266/year.
The median home value in Grain Valley, MO is $269,800, with typical monthly owner costs around $1,493 including mortgage, insurance, and taxes. The median rent-to-income ratio of 18.8% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
Missouri has a moderate income tax rate of 4.95%. Combined with a 4.225% sales tax rate and 0.93% effective property tax rate, the overall tax environment is a factor in the total cost of living in Grain Valley.
Common questions about living costs in Grain Valley