Ada County, ID

Comprehensive housing, income, and cost of living data for Ada County, Idaho. Population: 497.5K.

Median Home Price
$517.7K

Based on 15 cities

Median Household Income
$88.9K

Annual household income

Price-to-Income Ratio
5.8x

Less affordable

Salary Needed to Buy
$130.9K

30-yr mortgage, 6.5% rate, 20% down

Housing & Finance

Annual Property Tax
$2,643

Average annual amount

Effective Tax Rate
0.51%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$2,618
Property Tax$220
Insurance$216
Total Monthly$3,054
Historical Home Prices
2015
$218.3K
2016
$238.4K
+9.2%%
2017
$260.2K
+9.1%%
2018
$299.3K
+15.0%%
2019
$329.5K
+10.1%%
2020
$392.6K
+19.1%%
2021
$518.7K
+32.1%%
2022
$502.9K
-3.0%%
2023
$491.5K
-2.3%%
2024
$505.8K
+2.9%%
2025
$511.2K
+1.1%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
2.1%%

Below national average

Population Density
473

People per square mile

Homicide Rate
1.4

Low (per 100K residents)

Political Lean (2020)
Competitive

R+0

Racial Demographics

White
81.6%
Black
1.2%
Hispanic
9.5%
Asian
2.5%
Two or More Races
4.1%

Source: Census ACS 2023. Hispanic/Latino ethnicity counted separately from race.

Climate & Environment

Average Temperature
52°F

Annual average

Sunny Days
192

Days per year

Annual Rainfall
12.0"

Inches per year

Natural Disaster Risk
High Risk

Score: 88/100

January Low
41°F

Average winter low

July High
91°F

Average summer high

Frequently Asked Questions

What is the median home price in Ada County, ID?

The median home price in Ada County, Idaho is $517.7K. The price-to-income ratio is 5.8x, meaning the median home costs 5.8 times the median household income.

What salary do you need to buy a home in Ada County?

Based on a 30-year mortgage at 6.5% with 20% down and the 28% debt-to-income rule, you need approximately $130.9K per year to buy the median home in Ada County, ID. Monthly housing costs break down to $2,618 for mortgage, $220 for property tax, and $216 for insurance.

What is the property tax rate in Ada County?

The effective property tax rate in Ada County is 0.51%, which comes to approximately $2,643 per year on the median home.

What is the median household income in Ada County?

The median household income in Ada County, Idaho is $88.9K per year, based on Census Bureau American Community Survey data. The unemployment rate is 2.1%%.

Is Ada County a good place to live?

Ada County, Idaho has a population of 497.5K. Housing affordability is moderate with a price-to-income ratio of 5.8x. The climate averages 52 degrees F with 192 sunny days per year. Compare Ada County with other areas using our cost of living tools to find the best fit for your budget and lifestyle.