H1B Report
State comparison

Colorado vs Illinois

H-1B filing geography compared side-by-side. Volume, national share, top sponsoring employers and most-filed occupations. Built from the same DOL LCA data that drives every page on H1B Report.

State A
Colorado
CORank #20
State B
Illinois
ILRank #5

Key metrics

National share is each state’s portion of total US H-1B filings.

MetricColoradoIllinois
Total filings96,264428,170
National share %1.03%4.59%
Rank nationally#20#5
Top sponsorUniversity of ColoradoINFOSYS LIMITED
Top sponsor share5.9%4.4%
Top occupationSoftware DevelopersSoftware Developers

Filings by fiscal year

Year-over-year H-1B demand in each state.

Colorado
Time series: 17 points from FY2010 to FY2026
Time series
PeriodValue
FY20103,668
FY20113,630
FY20124,379
FY20134,891
FY20145,811
FY20156,830
FY20166,502
FY20176,576
FY20187,377
FY20191,049
FY20206,477
FY20219,318
FY20227,358
FY20237,572
FY20246,099
FY20256,447
FY20262,280
Illinois
Time series: 17 points from FY2010 to FY2026
Time series
PeriodValue
FY201017,542
FY201118,596
FY201222,351
FY201324,513
FY201427,412
FY201532,770
FY201635,186
FY201732,082
FY201831,959
FY20194,058
FY202027,702
FY202139,044
FY202229,930
FY202327,890
FY202423,732
FY202525,222
FY20268,181

Top 5 occupations — Colorado

Top 5 occupations — Illinois

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Colorado vs Illinois — H-1B State Comparison · H1B Report