seodata.dev

keyword

state income tax

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

$ curl "https://app.seodata.dev/v1/keyword?q=state+income+tax&country=us" +--------------+------------------+ | volume | 27,100 | | cpc | $5.32 | | competition | 0.01 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
state of income 74,000 $8.55 20/20
state income tax by state 27,100 $4.12 20/20
state income taxes 27,100 $5.32 20/20
income tax by state 27,100 $4.12 19/20
tax state 27,100 $5.32 16/20
income taxes by state 27,100 $1.86 15/20
what is state income 4,400 $3.95 20/20
what is state income tax 4,400 $0 20/20
what are state taxes 4,400 $3.95 19/20
individual income tax 1,900 $4.74 16/20

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&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