Ada County, ID Average Home Price (2026)
The average home price in Ada County, Idaho is about $531,000 (the 2026 median across 14 ZIP codes, at ~$314/sq ft) — 20% more expensive than the Idaho median and 84% more expensive than the typical U.S. home.
How Ada County compares
Ada County is relatively expensive for housing nationally: its typical home costs $531,000 against $444,000 for Idaho and $289,000 for the U.S. Within the county, ZIP-level values run from about $423,000 to $808,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Ada County | $531,000 | $314 |
| Idaho | $444,000 | $278 |
| United States | $289,000 | $193 |
Cities in Ada County
Cities with their own home-value page, largest first:
Ada County home prices by ZIP code
The 14 most valuable ZIP codes in Ada County (of 14 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 83616 Eagle | $808,000 | $358 | +52% |
| 83712 Boise | $804,000 | $429 | +51% |
| 83702 Boise | $732,000 | $483 | +38% |
| 83669 Star | $581,000 | $297 | +9% |
| 83714 Boise | $558,000 | $334 | +5% |
| 83642 Meridian | $539,000 | $299 | +2% |
| 83646 Meridian | $531,000 | $280 | +0% |
| 83703 Boise | $531,000 | $354 | +0% |
| 83706 Boise | $509,000 | $339 | -4% |
| 83709 Boise | $482,000 | $284 | -9% |
| 83713 Boise | $469,000 | $267 | -12% |
| 83634 Kuna | $464,000 | $274 | -13% |
| 83704 Boise | $426,000 | $278 | -20% |
| 83705 Boise | $423,000 | $328 | -20% |
Home value appreciation in Ada County
Home prices in Ada County have risen about 152% over the last 10 years (≈9.7% a year) and +183.4% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +2.7% — still rising. A home worth $531,000 today was worth roughly $210,882 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Idaho is +149.0% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Ada County
Run the numbers for Ada County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Ada County
To buy the typical $531,000 home in Ada County with 20% down, you need a household income of roughly $144,000 a year (about $3,370 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $172,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $26,600 | $4,190/mo | $180,000/yr |
| 10% (+PMI) | $53,100 | $4,010/mo | $172,000/yr |
| 20% | $106,200 | $3,370/mo | $144,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Ada County
At about $314 per square foot, here is roughly how much home different budgets get you in Ada County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $250k | 800 sq ft | below the local median — condos, smaller or older homes |
| $300k | 960 sq ft | below the local median — condos, smaller or older homes |
| $400k | 1270 sq ft | below the local median — condos, smaller or older homes |
| $500k | 1590 sq ft | around the typical home here |
| $600k | 1910 sq ft | around the typical home here |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Idaho.
Estimate a specific home in Ada County
Enter your ZIP and size for an instant estimate tailored to your exact area:
Ada County home prices: frequently asked
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Browse all Idaho cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.