Ontario,_Oregon_micropolitan_area
Ontario, Oregon micropolitan area
Malheur and Payette County combined
The Ontario Micropolitan Statistical Area (or Ontario μSA), as defined by the United States Census Bureau, is an area consisting of two counties – one in southeastern Oregon and one in southwestern Idaho, anchored by the city of Ontario.
As of the 2000 census, the area had a population of 52,193 (though a July 1, 2009 estimate placed the population at 53,844).[1]