CostBy County

Cost of Living in Washington County, Idaho

$938/mo
Median Monthly Rent
$278,100
Median Home Value

At a Glance

Median Monthly Rent
$938/mo
3% below state average
Median Home Value
$278,100
16% below national
Census GRAPI
29.7%
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 Washington County Compares

Median monthly rent comparison

Washington County$938/mo
Idaho Average$968/mo
National Median$1,413/mo

Detailed Housing Stats

$938/mo
Median Gross Rent
$278,100
Median Home Value
$662/mo
Monthly Owner Cost
29.7%
Census GRAPI

National Ranking

Affordability Rank

Washington County ranks #1,335 of 3,142 counties for affordability (top 42%)

Most AffordableLeast Affordable

Sourced county brief

Washington County Median Gross Rent Percentage Reaches 29.7 Percent

In Washington County, Idaho, the median gross rent as a percentage of household income is estimated at 29.7%. This figure is the official ACS B25071 gross rent as a percentage of household income (GRAPI) estimate for the 2020-2024 period. This percentage is 2.8 percentage points higher than the Idaho unweighted county mean for official GRAPI, which is 26.9%. For households in renter-occupied units, the median income was estimated at $29,651. The median gross rent in the county is $938 per month, while the state unweighted county mean for rent is $968. For owner-occupied housing, the median home value is $278,100, which is below the state unweighted county mean of $355,261. Median selected monthly owner costs for all owner-occupied units in the county are $662, compared to the Idaho unweighted county mean for owner costs of $968. See ACS table B25071 for the underlying estimate.

Cost of Living Advisory: Washington County

Affordability Verdict

ACS B25071 estimates median gross rent at 29.7% of renter household income in Washington 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 $938 per month; median selected monthly owner costs are $662. These ACS medians describe different tenure groups and are not a personalized rent-versus-buy calculation.

Income Needed

Using the common 30% budgeting benchmark, $37,520 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. Washington County's $938 median is 3.1% below that comparison value.

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

Affordability Calculator

See how your income compares to housing costs in Washington County

$

Rent Burden

20.8%

of gross income

Max Housing (28% Rule)

$1,260

per month

Owner Cost Burden

14.7%

of gross income

The median home in Washington County may be a stretch

Median home value is $278,100. Estimated monthly cost: $2,220 vs. your max of $1,260.

Rent Affordability Guide

Your entered rent as a share of entered income20.8%
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: $54,000Needed: $37,520
Owner Cost Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? Yes
Your income: $54,000Needed: $28,371
Mortgage Affordability

$0/yr

Needed to stay within recommended threshold

Median income:$0/yr
Can you afford it? No
Your income: $54,000Needed: $64,721

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 Washington County, Idaho?
Washington County, Idaho has a median monthly rent of $938/mo and a median home value of $278,100. The affordability rating is Affordable, with median gross rent equal to approximately 29.7% of renter household income.
What is the median rent in Washington County?
The median gross rent in Washington County is $938/mo. This is 3% below state average for Idaho.
Is Washington County affordable?
Washington County is rated Affordable using the Census median gross-rent-as-a-percentage-of-income measure of 29.7%. Median gross rent is under 30% of renter household income.
How does Washington County's rent compare to the state average?
Washington County's median rent of $938/mo is 3% below state average of $968/mo for Idaho.
What is the median home value in Washington County?
The median home value in Washington County, Idaho is $278,100. This is 16% below 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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