Okla. Stat. tit. 68, § 5012

For purposes of this act "gross household income" means the gross amount of income of every type, regardless of the source, received by all persons occupying the same household, whether such income was taxable or nontaxable for federal or state income tax purposes, including pensions, annuities, federal social security, unemployment payments, veterans' disability compensation, public assistance payments, alimony, support money, workers' compensation, loss-of-time insurance payments, capital gains and any other type of income received; and excluding gifts.