WhenToBird

4 finch species in Illinois

When Do Finches Arrive in Illinois?

Adult male House Finch
Photo: Daughter Dad, CC BY 4.0 via iNaturalist

House Finches, Pine Siskins, and Purple Finches are the finches you are most likely to see in Illinois. The House Finch is in Illinois all year. It turns up on about 31% of checklists at its peak (mid July) and on 21% in its quietest week (the second week of June).

When to look

PresentAll year
Peak weekJul 15-21mid July
Quietest weekJun 8-14the second week of June

Best: mid July. Here all year. Peak: on about 31% of Illinois checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

Darker months: more checklists report it. Outlined: peak month.

Finches in Illinois, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
House Finchall year–Jul 15-21–31%
Pine SiskinSep 22-30Oct 1-7Nov 1-7May 1-76.6%
Purple FinchSep 15-21Sep 15-21Oct 22-31May 8-144.9%
RedpollDec 15-21Dec 15-21Feb 8-14Mar 15-212.6%
0%10%20%30%40%House FinchPine SiskinPurple FinchRedpollJanFebMarAprMayJunJulAugSepOctNovDec
  • House Finch
  • Pine Siskin
  • Purple Finch
  • Redpoll
Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Illinois that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Illinois

Best counties for House Finch

Share of checklists at the peak
  1. Mercer CountyBest late January · 12 checklists that week, 949 in all77%
  2. Edwards CountyBest late November · 16 checklists that week, 797 in all75%
  3. Monroe CountyBest the second week of January · 51 checklists that week, 2,547 in all73%
  4. Knox CountyBest early April · 163 checklists that week, 6,781 in all66%
  5. Bureau CountyBest early February · 131 checklists that week, 10,244 in all64%
  6. St. Clair CountyBest late July · 253 checklists that week, 10,340 in all64%

All finches in Illinois

5 species are reported regularly: 1 stay all year, 1 are summer visitors, and 3 are winter visitors.

#SpeciesPatternThrough the yearFirst arrivalsPeakPeak %
1American GoldfinchAll year, most in fallJun 15-21Aug 8-1463%
2House FinchYear-roundall yearJul 15-2131%
3Pine SiskinWinter visitorSep 22-30Nov 1-76.6%
4Purple FinchWinter visitorSep 15-21Oct 22-314.9%
5RedpollWinter visitorDec 15-21Feb 8-142.6%

Common questions

When do finches arrive in Illinois?
The House Finch is in Illinois all year. It turns up on about 31% of checklists at its peak (mid July) and on 21% in its quietest week (the second week of June).
When do finches leave Illinois?
The House Finch does not leave Illinois: it is reported all year, from 21% of checklists in the second week of June to 31% in mid July.
When is the best time to see finches in Illinois?
The House Finch is reported most often in mid July, on about 31% of Illinois checklists.
Which finches are in Illinois?
House Finch, Pine Siskin, Purple Finch, and Redpoll are reported regularly; the House Finch is the most common.