Idaho FAQ - Do I have to file an Idaho return?

Full-year residents must file an Idaho tax return based on gross income as shown in the following schedule (do not include Social Security income):

Married Filing Separate $3,200
Married Filing Jointly, both under 65 $16,400
Married Filing Jointly, one 65 or older $17,400
Head of Household , under 65 $10,500
Head of Household, 65 or older $11,750
Single, under 65 $8,200
Single, 65 or older $9,450
Qualifying widow(er) with dependent child, under 65 $13,200
Qualifying widow(er) with dependent child, 65 or older $14,200

Part-year residents must file an Idaho income tax return if their gross income from all sources while a resident and gross income from Idaho sources while a nonresident is more than $2,500.

Nonresidents must file an Idaho income tax return if their gross income from Idaho sources is more than $2,500

Gross Income consists of all income from all sources before applying expenses or deductions.

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