163 years in pictures
Assay Office is a National Historic Landmark, the National Register’s top tier. Its founding year, 1863, comes before those of 96% of the Idaho towns we grade with a known year.
Census counts: 995 in 1870, 235,684 in 2020. The archive holds 6 old photos and papers going back to 1864 and 3 maps from 1897 on.
137 places on the National Register of Historic Places.
- 1863Boise City is settled



in town
in town
in town
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