There are 5 Goodwill stores within about 15 miles of Boulder. Thriftly scores each one by how well-off the surrounding neighborhoods are, since stores in higher-income areas tend to get the better drop-offs. The full ranking is below, best odds first.
Best odds first. Tap a store for directions.
555 West South Boulder Road, Lafayette, CO
8.5 mi from downtown Boulder · Comfortable surrounding area
3043 Walnut Street
0.3 mi from downtown Boulder · Comfortable surrounding area
4775 West 121st Avenue, Broomfield, CO
13.1 mi from downtown Boulder · Comfortable surrounding area
1741 28th Street
0.6 mi from downtown Boulder · Comfortable surrounding area
1750 Main Street, Longmont, CO
13.9 mi from downtown Boulder · Mixed-income catchment
Right now the Lafayette location has the highest Goods Score (66 out of 100). The score reflects how affluent the surrounding neighborhoods are, which is a strong proxy for donation quality, and it refreshes as Census and store data update.
Each store gets a 0 to 100 Goods Score built from four U.S. Census measures of the area within about three miles: median home value, household income, share of college graduates, and median rent. Stores with wealthier surrounding neighborhoods score higher.
Thriftly tracks 5 Goodwill stores within 15 miles of Boulder, using OpenStreetMap data. A store won't show up if it isn't tagged in OpenStreetMap, so coverage can be incomplete.