CostBy County

Cost of Living in Ada County, Idaho

$1,577/mo
Median Monthly Rent
$512,300
Median Home Value

At a Glance

Median Monthly Rent
$1,577/mo
63% above state average
Median Home Value
$512,300
54% above national
Census GRAPI
29.6%
Median gross rent as % of renter income

Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)

Affordability Rating
Affordable
Median gross rent is under 30% of renter household income

These figures are county medians, not a personal budget. Use them to frame rent, ownership, and income tradeoffs, then account for household size, commute, financing, insurance, taxes, debt, and local availability before making a decision.

How Ada County Compares

Median monthly rent comparison

Ada County$1,577/mo
Idaho Average$968/mo
National Median$1,413/mo

Detailed Housing Stats

$1,577/mo
Median Gross Rent
$512,300
Median Home Value
$1,442/mo
Monthly Owner Cost
29.6%
Census GRAPI

National Ranking

Affordability Rank

Ada County ranks #2,885 of 3,142 counties for affordability (bottom 8%)

Most AffordableLeast Affordable

Sourced county brief

Ada County Median Gross Rent Reaches $1,577 Monthly

The median gross rent in Ada County was estimated at $1,577 per month, according to the ACS 2020-2024 5-Year Estimates. This figure is $609 above the Idaho unweighted county mean of $968. For households in owner-occupied units, the median monthly owner cost was $1,442, which is above the state unweighted county mean of $968. The median value for owner-occupied homes was recorded at $512,300, compared to the unweighted county mean of $355,261. Among renter households, the median income was $63,067. The canonical rentToIncomePct is 29.6%, which is based on the official ACS B25071 median gross rent as a percentage of household income (GRAPI). This percentage is 2.7 percentage points higher than the Idaho unweighted county mean GRAPI of 26.9%. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: Ada County

Affordability Verdict

ACS B25071 estimates median gross rent at 29.6% of renter household income in Ada County, which is below the 30% affordability benchmark. This is a median percentage among renter-occupied units, not the share of households above a threshold.

Rent vs. Own

Median gross rent is $1,577 per month; median selected monthly owner costs are $1,442. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $63,080 in annual gross income would allocate 30% to the county's median gross rent. This is a reproducible illustration, not evidence that a particular household can afford housing.

Regional Context

The Idaho unweighted mean of county median rents is $968 per month. Ada County's $1,577 median is 62.9% above that comparison value.

Data version acs5-2020-2024 · Method cost-advisory-v2

Affordability Calculator

See how your income compares to housing costs in Ada County

$

Rent Burden

20.7%

of gross income

Max Housing (28% Rule)

$2,135

per month

Owner Cost Burden

18.9%

of gross income

The median home in Ada County may be a stretch

Median home value is $512,300. Estimated monthly cost: $4,090 vs. your max of $2,135.

Rent Affordability Guide

Your entered rent as a share of entered income20.7%
Recommended max30.0%

Income Needed Calculator

See how much you need to earn to comfortably afford housing

$
Rent Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $91,502Needed: $63,080
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $91,502Needed: $61,800
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? No
Your income: $91,502Needed: $119,226

Based on the 30% rule for rent and 28% rule for housing costs (mortgage + owner costs). Mortgage estimate assumes 20% down, 7.2% interest, 30-year fixed.

Frequently Asked Questions

What is the cost of living in Ada County, Idaho?
Ada County, Idaho has a median monthly rent of $1,577/mo and a median home value of $512,300. The affordability rating is Affordable, with median gross rent equal to approximately 29.6% of renter household income.
What is the median rent in Ada County?
The median gross rent in Ada County is $1,577/mo. This is 63% above state average for Idaho.
Is Ada County affordable?
Ada County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 29.6%. Median gross rent is under 30% of renter household income.
How does Ada County's rent compare to the state average?
Ada County's median rent of $1,577/mo is 63% above state average of $968/mo for Idaho.
What is the median home value in Ada County?
The median home value in Ada County, Idaho is $512,300. This is 54% above the national median home value of $332,700.

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Published by the CostByCounty Editorial Team. See our methodology and corrections policy.Data build reviewed 2026-07-09; first published 2026-03-10.

Data: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2020-2024). Data is informational only and is not personalized financial advice.

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