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Ada County, ID

Boise City

RANK #887 / 996 NAT  ·  POP 497,494

1YR FORECAST: -0.0%

5YR OUTLOOK: +12%

Our model projects Ada County's housing market at -0.0% over the next year, underperforming most U.S. counties.

[01] Why Ada County?

Ada County, Idaho, is perhaps best known for Boise, its capital city, which anchors the county's identity. Located in southwestern Idaho, Ada County is part of the larger Treasure Valley, characterized by high desert landscapes, foothills, and the winding Boise River. The Boise River Greenbelt, a 25-mile tree-lined pathway, offers opportunities for walking, running, and biking, and Barber Park is a popular starting point for floating the Boise River. Commuting within the county is primarily by car, with an average commute time of 21.2 minutes, though options like vanpools, carpools, and public transit are available. The community offers a blend of urban amenities and access to natural scenery, including over 90 parks and more than 200 miles of trails.

Life in Ada County attracts families and young professionals, with highly rated public schools, including the West Ada School District, the largest in Idaho. The economy is experiencing growth, with low unemployment rates. Major investments are occurring across sectors such as healthcare, technology, and construction. This economic activity, coupled with opportunities for outdoor recreation, contributes to the area's appeal for those seeking a balance of lifestyle and career.

[02] Market Snapshot

Housing Ratio
5.9x

Above national median (4.7x)

GDP Growth
+4.8%

Well above national median

Home Prices
+1.0%

Below national median

Climate & Terrain
1.9

Moderate climate & terrain

Price/Rent
19x

Above national median (13x)

Housing is fairly valued at 5.9x relative to local economic output. The typical U.S. county is 4–6x.

[03] Top Employers

  1. 1
    State of Idaho Government
    10,000+
  2. 2
    St. Luke's Health System Healthcare
  3. 3
    Walmart Retail
    5,000+
  4. 4
    Micron Technology Technology
  5. 5
    Boise State University Education
  6. 6
    West Ada School District Education
    2,500+
  7. 7
    St. Alphonsus Health System Healthcare
  8. 8
    Albertsons Retail
  9. 9
    Boise School District Education
  10. 10
    City of Boise Government
    1,000+

Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.

[04] Home Value Growth vs National

Ada County U.S. National

The Numbers

DEMOGRAPHICS
Population
497,494
+2.52% YoY
Median Household Income
$83,881
Median Home Value
$423,500
+1.04% 12mo
Median Rent
$1,320
Average Annual Pay
$70,588
+8.0% YoY
Employment
288,010
+2.1% YoY
Income-to-Home-Value
0.1981
Near national average
Migration Inflow
1.91%
of pop. from another state
Bachelor's Degree+
42.8%
of residents (national avg: 33%)

Market Activity

REAL ESTATE
Median Sale Price
$517,990
Days on Market
70
Slower market
Months of Supply
2.2
Seller's market
Sale-to-List Ratio
99.4%
Near asking price
Sold Above List
17.4%
Listings w/ Price Drops
23.7%
Building Permits (2024)
5,137
Single-Family Permits
4,682

Source: Redfin · Census BPS — Browse sales on Redfin →

[05] Crime & Safety

A
SAFETY
GRADE
Homicide Rate
1.3
per 100K · nat avg 6.3
Firearm Fatalities
13.1
per 100K · nat avg 14.8
Injury Deaths
67.1
per 100K · nat avg 76.3
vs National Average
Well below national avg
based on homicide rate

Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →

[06] Air Quality

B-
AIR QUALITY
GRADE
Median AQI (3yr)
46.0
Good
Good Air Days
61%
670 of 1,095 days
Unhealthy+ Days (3yr)
28
Sensitive groups affected
Primary Pollutant
Ozone
Ground-level ozone
Yearly Trend
2021
46
2022
48
2023
44
Median AQI · lower is better

Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →

[07] Capital Investment

$3,800M
TOTAL
PROJECT AMOUNT STATUS
rPlus Energies Solar & Storage Portfolio (Blacks Creek Energy Center, Bluebird Solar, Pleasant Valley Solar 1 & 2)
rPlus Energies
$1,400M Planned
Ada County Highway District Capital Improvement Plan (CIP)
Ada County Highway District (ACHD)
$1,200M Approved
Meta Kuna Data Center
Meta
$800M Under Construction
Boise Bench Substation Battery Project
Idaho Power
$200M Planned
Desri 150 MW Solar Facility
Desri
$150M Approved
Ada County Landfill Renewable Natural Gas Facility (Hidden Hollow RNG)
Biogas Development
$50M Operating

Source: public records, news, corporate announcements. Amounts are estimates where noted.

[08] Score Breakdown

GDP Growth +4.8% 82 percentile
Population Growth +2.5% 93 percentile
Income Growth +11.7% 94 percentile
Vacancy Rate 0.6% 87 percentile
Home Price Change +1.0% 46 percentile
Rent Growth +3.5% 60 percentile
Price/Rent 19x 10 percentile

Bars show percentile rank among all 996 counties.

[09] Frequently Asked Questions

Is Ada County, ID a good place to move to?

The data is not encouraging — Ada County scores just 10/100 on the Boom Town Index, ranking #887 of 996 counties. Job growth at +2.1% and median household income of $83,881 reflect an economy that has been contracting or stagnating relative to the rest of the country.

Is Ada County affordable?

Ada County leans toward the expensive side. A median home value of $423,500 against an income-to-home-value ratio of 0.20 means housing eats a bigger share of local earnings than the national norm. Renters face $1,320/month on average.

Is Ada County growing or shrinking?

Ada County is growing on multiple fronts. Population is up +2.5% year-over-year while employers added jobs at a +2.1% clip. Home values shifted +1.0% in the past year.

Are many people relocating to Ada County?

Not particularly — 1.91% of Ada County's population moved in from another state, which is below the national average. Most residents are long-term locals rather than recent transplants.

[10] Similar Counties by Size & Score

Bannock County, ID 47 Kootenai County, ID 62 Bonneville County, ID 67 Madison County, ID 69 Canyon County, ID 69 Twin Falls County, ID 78 Stanislaus County, CA 10 Arapahoe County, CO 10