ZIP Code 16839
About Grassflat
Grassflat is a census-designated place located in Cooper Township, Clearfield County, in the state of Pennsylvania. As of the 2020 census, the population was 479.
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Area Profile
US Census (ACS 5-year · Gazetteer)
437
population
$80,069
median household income
393
people / sq mi
$147,600
median home value
41.1
median age
165
housing units
161
households
1.1
land area (sq mi)