Based on 1,350 research-grade iNaturalist observations in Iowa, House Finch is most often recorded in August; in Iowa it behaves like a seasonal. It ranks #7 among birds recorded in the state in our data.
Haemorhous mexicanus
House Finch in Iowa by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Iowa in August

House Sparrow

American Goldfinch

Great Blue Heron

Ruby-throated Hummingbird

Wild Turkey

Turkey Vulture

Red-tailed Hawk
Eastern Kingbird
Places to look in Iowa
Botanical GardenDubuque Arboretum and Botanical Gardens
Bickelhaupt Arboretum
Iowa Arboretum
State ParkPikes Peak State Park
Cedar Rock State Park
Wildcat Den State Park
FAQ
When does House Finch appear in Iowa?
Mainly March–August, with the most records in August.
How common is House Finch in Iowa?
It ranks #7 by number of iNaturalist observations among birds in Iowa (1,350 records in our sample).