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keyword

state income tax definition

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

$ curl "https://app.seodata.dev/v1/keyword?q=state+income+tax+definition&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
what is state income 4,400 $3.95 20/20
what are state taxes 4,400 $3.95 17/20
what is state income tax 4,400 $0 17/20
what is sit tax 4,400 $3.95 14/20
federal tax and state tax 1,600 $15.48 15/20
state income tax meaning 1,300 $0 20/20
state tax definition 1,300 $0 17/20
definition of state income tax 1,300 $0 16/20
define state income tax 1,300 $0 15/20
state income taxes definition 1,300 $0 15/20

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=state+income+tax+definition&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