keyword

illinois

Monthly search volume and cost-per-click data for "illinois" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=illinois&country=us" +--------------+------------------+ | volume | 368,000 | | cpc | $1.99 | | competition | 0 | | country | US | | updated | 2026-06-20 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
il illinois	368,000	$1.99	18/20
illinois university	9,900	$12.68	18/20
state of illinois	9,900	$0.44	16/20
illinois universities	9,900	$4.19	14/20
state illinois	9,900	$0	14/20
universities in illinois	3,600	$17	14/20
illinois homepage	2,400	$0	19/20
universities illinois	1,600	$15.87	15/20
illinois il	260	$0	15/20
illinois states	260	$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://api.seodata.dev/v1/keyword?q=illinois&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