WhenToBird

4 finch species in Iowa

When Do Finches Arrive in Iowa?

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

House Finches, Purple Finches, and Pine Siskins are the finches you are most likely to see in Iowa. The House Finch is in Iowa all year. It turns up on about 30% of checklists at its peak (mid February) and on 20% in its quietest week (mid September).

When to look

PresentAll year
Peak weekFeb 15-21mid February
Quietest weekSep 15-21mid September

Best: mid February. Here all year. Peak: on about 30% of Iowa 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. Sepcommon
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

Finches in Iowa, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
House Finchall year–Feb 15-21–30%
Purple FinchSep 22-30Oct 1-7Nov 1-7May 1-75.4%
Pine SiskinOct 1-7Oct 1-7Nov 1-7May 8-144.0%
RedpollJan 8-14Jan 8-14Jan 22-31Mar 1-71.4%
0%10%20%30%40%House FinchPurple FinchPine SiskinRedpollJanFebMarAprMayJunJulAugSepOctNovDec
  • House Finch
  • Purple Finch
  • Pine Siskin
  • 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 Iowa 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 Iowa

Best counties for House Finch

Share of checklists at the peak
  1. Warren CountyBest mid January · 16 checklists that week, 1,278 in all77%
  2. Delaware CountyBest early March · 11 checklists that week, 616 in all77%
  3. Cerro Gordo CountyBest early February · 11 checklists that week, 1,853 in all62%
  4. Greene CountyBest the second week of December · 20 checklists that week, 2,565 in all60%
  5. Des Moines CountyBest late August · 65 checklists that week, 2,251 in all58%
  6. Butler CountyBest mid December · 31 checklists that week, 1,570 in all57%

All finches in Iowa

5 species are reported regularly: 1 stay all year, 1 are summer visitors, 2 are winter visitors, and 1 mostly pass through.

#SpeciesPatternThrough the yearFirst arrivalsPeakPeak %
1American GoldfinchAll year, most in summerJun 15-21Aug 15-2166%
2House FinchYear-roundall yearFeb 15-2130%
3Purple FinchWinter visitorSep 22-30Nov 1-75.4%
4Pine SiskinWinter visitorOct 1-7Nov 1-74.0%
5RedpollPasses throughJan 8-14Jan 22-311.4%

Common questions

When do finches arrive in Iowa?
The House Finch is in Iowa all year. It turns up on about 30% of checklists at its peak (mid February) and on 20% in its quietest week (mid September).
When do finches leave Iowa?
The House Finch does not leave Iowa: it is reported all year, from 20% of checklists in mid September to 30% in mid February.
When is the best time to see finches in Iowa?
The House Finch is reported most often in mid February, on about 30% of Iowa checklists.
Which finches are in Iowa?
House Finch, Purple Finch, Pine Siskin, and Redpoll are reported regularly; the House Finch is the most common.