keyword

income tax california

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

$ curl "https://app.seodata.dev/v1/keyword?q=income+tax+california&country=us" +--------------+------------------+ | volume | 33,100 | | cpc | $3.32 | | competition | 0 | | country | US | | updated | 2026-06-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
california income taxes	33,100	$2.38	20/20
california taxes	33,100	$7.38	20/20
income tax in california	33,100	$3.32	20/20
income tax of california	33,100	$3.27	20/20
income taxes california	33,100	$2.38	20/20
taxes california	33,100	$5.49	20/20
ca income tax	27,100	$5.45	20/20
california income tax	27,100	$5.45	20/20
california state income tax	27,100	$8.13	20/20
state tax california	27,100	$8.13	20/20

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=income+tax+california&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