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keyword

what is state income tax

Monthly search volume and cost-per-click data for "what is state income tax" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+state+income+tax&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
income tax by state 27,100 $4.12 20/20
state income tax 27,100 $5.32 20/20
state income taxes 27,100 $5.32 20/20
state income tax by state 27,100 $4.12 19/20
state income tax rates 5,400 $8.11 19/20
what are state taxes 4,400 $3.95 20/20
what is state income 4,400 $3.95 20/20
what are state income taxes 4,400 $3.95 17/20
federal tax and state tax 1,600 $15.48 19/20
state income tax meaning 1,300 $0 18/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+state+income+tax&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt