Zip Code 83704 — Boise, ID
83704 is a ZIP Code associated with Boise, ID, located within Ada. 83704 ranks #4 out of 16 ZIP codes in Ada County by population (and #10 out of 279 in ID). The area supports an estimated population of 42,719 residents across Data Pending housing units, with a population density of 1,884.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.627650, -116.287160)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 83704 |
| Primary City | Boise |
| State / Province | ID |
| County | Ada |
| Total Population | 42,719 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 1,884.7 people/sq mi |
| Timezone | America/Boise |
How 83704 Compares
| Metric | ZIP 83704 | Ada County | ID State Average |
|---|
| Population | 42,719 | 500,759 (Total) | 1,933,906 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 1,884.7 /sq mi | -- | -- |
| County Pop Rank | #4 of 16 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →