Ada County · Idaho
ZIP code 83705
- Population
- 27,542
- Median income
- $62,605
- Median home
- $378,800
- Sales tax
- 6%
ZCTA residents
Household, past 12 months
Owner-occupied value
Combined state + local
Quick answer
ZIP 83705 sits in Ada County, Idaho and is home to 27,542 people. Median household income is $62,605, the median home is worth $378,800 and median gross rent is $1,166. 54.8% of households own their home, and purchases are taxed at 6% combined.
- County
- Ada County
- State
- Idaho (ID)
- Area codes
- 208
FIPS 16001
280 ZIPs covered
NANPA codes serving this area
The numbers for 83705
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 27,542ZIP 83705 residents
- Median household income
- $62,605Past 12 months, inflation adjusted
- Median home value
- $378,800Owner-occupied units
- Median gross rent
- $1,166Rent plus utilities, monthly
- Median age
- 35.3 yrsAll residents
- Homeownership rate
- 54.8%Owner-occupied households
Sales tax in 83705
What a purchase inside this ZIP costs at checkout.
This ZIP falls inside the Boise rate area, so state, county, city and district levies are published here as a full stack.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 83705 compares
ZIP 83705 against the median ZIP in Ada County and across Idaho.
| Measure | ZIP 83705 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $62,605 | $87,656 | $68,377 | -8% |
| Median home value | $378,800 | $482,500 | $296,900 | +28% |
| Median gross rent | $1,166 | $1,471 | $940 | +24% |
| Population | 27,542 | 28,767 | 1,358 | +1928% |
Medians are computed across the 16 ZIP areas in Ada County and the 280 ZIP areas in Idaho.
Statewide rank
Where this ZIP places among all 280 Idaho ZIP areas.
- Income
- #161
- Home value
- #66
- Population
- #23
richer than 36% of 250 state ZIPs
above 73% of 249 state ZIPs
larger than 92% of 280 state ZIPs
Comparable ZIP codes
Idaho ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Ada County.
ZIP 83705 questions
Common questions about this ZIP code.
- Where is ZIP code 83705?
- ZIP 83705 lies mostly in Ada County, Idaho. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 83705?
- Purchases are taxed at 6% combined, built from the Boise jurisdiction stack.
- Is 83705 expensive to live in?
- Median rent runs $1,166 a month, about 22% of median household income, and the median home is worth $378,800 — +28% against the typical Idaho ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Idaho State Tax Commission — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.