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Down Payment Savings Calculator for Boise, ID
Local data pre-filled
To buy the median $488,570 home in Boise, you'd need $48,857 (10% down) to $97,714 (20% down to avoid PMI). Saving 15% of Boise's median household income ($82,694/yr) would get you to 20% down in about 95 months. With a cost of living index of 107, saving aggressively may require lifestyle trade-offs.
✓ Calculator below is pre-filled with Boise local data
Data as of · Sources: Zillow, Census ACS, Tax Foundation, Freddie Mac
Idaho Financial Snapshot (2026) — Down Payment Savings Calculator
Home value, monthly carrying cost, property tax, and insurance are the four levers for the down payment savings calculator in Idaho.
How the Down Payment Savings Calculator Math Works Under Idaho Law
Every real-estate number on this page runs through the same core identity: the monthly principal-and-interest payment on a fully amortizing fixed-rate loan is M = P · r / (1 − (1+r)^(−n)), where P is the loan principal, r is the monthly rate (annual rate / 12), and n is the term in months. For a typical Idaho buyer in 2026, P starts from an $465,000 median home value (Zillow ZHVI)[1], minus a standard 20% down payment.
On top of P&I the calculator adds the two Idaho-specific carrying costs: property tax at the state effective rate of 0.69%[2] and homeowners insurance at roughly $870/year (NAIC state average)[3]. The Freddie Mac PMMS national average 30-year fixed rate (6.30% (Freddie Mac PMMS · week of ))[4] drives the payment curve — Idaho rate quotes can move a few basis points around that number depending on lender, loan size, and credit band.
Local context: Boise, ID
Housing economics in Boise, ID. The median home value runs 36.5% above the U.S. baseline for Boise, ID is $488,570 per Zillow's home-value index. Median rent runs $1,794 a month per Zillow ZORI, cheaper than the national $1,850 baseline. Effective property tax sits at 0.63% of assessed value, below the 0.99% national average tracked by the Tax Foundation.
Income and tax climate. Idaho's top marginal state income tax bracket lands at 5.80% — compared to the volume-weighted national average around 4-5%. BEA's Regional Price Parity scores Boise, ID at 107.0 (national = 100), meaning a dollar in Boise, ID buys 93¢ of national purchasing power.
Local context as of 2026-04-19.
Boise versus the U.S. baseline
| Metric | Boise, ID | U.S. baseline | Difference |
|---|---|---|---|
| Median home value[zillow] | $488,570 | $358,000 | 36.5% |
| Median monthly rent[zillow] | $1,794 | $1,850 | -3.0% |
| Property tax (effective)[tax-foundation] | 0.63% | 0.99% | -36.4% |
| State top marginal income tax[tax-foundation] | 5.80% | ~4.08% (volume-weighted) | 1.7 pp |
| State cost-of-living index[bea-rpp] | 107.0 | 100.0 | 7.0 pts |
How to use the Down Payment Savings Calculator
Walk through using the Down Payment Savings Calculator with Boise, ID-specific defaults pre-loaded from primary sources.
- Enter your Boise numbersFill in the down payment savings inputs. Defaults reflect Boise, ID 2026: median home $488,570, median rent $1,794/mo, 0.63% effective property tax.
- Apply the local 2026 inputsThe median home value in Boise is $488,570 (Zillow ZHVI), with median monthly rent running $1,794/mo.
- Compare against Boise contextMonthly PITI on the $488,570 median home in Boise is ~$3,051/mo — vs a $1,794/mo median rent.
How Idaho Compares to Neighboring States
| State | Median home | Top inc tax | Prop tax rate | RPP (US=100) |
|---|---|---|---|---|
| Idaho (this page) | $465,000 | 5.70% | 0.69% | 92.2 |
| Montana equivalent | $460,000 | 5.90% | 0.83% | 91.0 |
| compare to Nevada | $430,000 | None | 0.56% | 97.9 |
| Oregon | $490,000 | 9.90% | 0.87% | 104.8 |
| Utah | $505,000 | 4.55% | 0.58% | 95.7 |
Sources: Zillow ZHVI[1], state Departments of Revenue / Tax Foundation[2], Tax Foundation property taxes[3], BEA Regional Price Parities[4].
What Changes Your Result in Idaho
- Down payment size:Idaho's typical down payment is 10.0%according to NAR survey data. Every 5% shift changes the monthly P&I by roughly 5–6% of the headline payment.
- First-time buyer programs:Idaho runs state-level first-time buyer programs (DPA, MCC) that can cut effective down payment costs by $5,000–$15,000 for qualifying buyers. See programs block below.
- County-level property tax variance:The state effective rate shown in the snapshot is a statewide weighted average. Within Idaho, county rates can swing ±30% around the median, especially in border counties with differing school-district mill levies.
Related Calculations for Idaho
- Idaho mortgage affordability numbers for 2026 — size of the down payment caps the affordable price.
How Boise Compares to the National Average
Understanding how Boise stacks up helps you calibrate your financial planning.
| Metric | Boise, ID | US Average | Difference |
|---|---|---|---|
| Median Home Price | $488,570 | $420,800 | +16.1% |
| Median Monthly Rent | $1,794 | $1,713 | +4.7% |
| Median Household Income | $82,694 | $74,580 | +10.9% |
| Property Tax Rate | 0.63% | 1.10% | -42.7% |
| Cost of Living Index | 107 | 100 | +7.0% |
Sources: U.S. Census Bureau, BLS, Zillow, NAR (2024–2025). Green = favorable for residents; red = less favorable.
Boise Financial Snapshot
- Population (Metro)
- 820,000
- Unemployment
- 2.8%
- Avg Commute
- 22 min
- Median Age
- 36.7
- Price-to-Rent Ratio
- 22.7x
- Annual Property Tax
- $3,078
More Financial Calculators for Boise, ID
Frequently Asked Questions — Boise
- Can median-income households afford the median home in Boise?
- With a ~$3,051 monthly PITI and $82,694 median income, housing would consume ~44.3% of gross annual income. Qualifying under the 28% DTI rule requires ~$130,757 in annual income. Educational reference only.
- Is it better to rent or buy in Boise?
- Boise's price-to-rent ratio (22.7x) tilts toward renting — above 20x, buying is generally expensive relative to renting.
- What is the annual property tax bill on the median home in Boise?
- Approximately $3,078/yr at the 0.63% effective rate on the $488,570 median home. The national average effective rate is 1.07%.
- What share of median income goes to rent in Boise?
- The $1,794/mo median rent represents 26.0% of the $82,694 median household income. The recommended housing cost threshold is 30%; Boise falls within that guideline. Educational reference only.
- How much does commuting cost in Boise?
- Average commute time in Boise is 22 minutes per ACS. Estimated annual commute cost runs about $3,832. Educational reference only.
- How does the cost of living in Boise compare to the national average?
- Boise's BEA RPP index is 107, 7% above the national baseline of 100. For a household earning the national median income of $77,540, this translates to ~$5,428/yr in purchasing power difference. Educational reference only.
- What is the median home price in Boise, ID?
- The median home price in Boise is $488,570 as of 2025–2026.
- What is the average rent in Boise?
- The median monthly rent in Boise, ID is $1,794.
- Does the down payment savings replace professional advice?
- No. This calculator gives educational estimates using public Boise data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for decisions with material consequences.
Idaho State Context
Idaho Real Estate Tips
Idaho's median home price of $465,000 has surged due to migration from California and Washington — but rural areas remain affordable.
Idaho Housing and Finance Association (IHFA) offers down payment assistance and below-market rates.
Property taxes at 0.84% are below the national average, and the homeowner's exemption reduces taxable value by up to 50% (max $125,000).
Idaho Homebuyer Programs
- ✓IHFA First Loan Program — 30-year fixed mortgages at competitive rates.
- ✓IHFA Second Mortgage Assistance — up to 7% of purchase price for DPA.
Statewide Idaho figures apply broadly across Boise. County- and city-level variation can be significant — verify against local sources before closing a transaction. [3]
How we compute this — methodology
The Boise page uses local median home price ($488,570), median rent ($1,794/mo), and property tax rate (0.63%) alongside the calculator's client-side formula. Calculations run in your browser — no inputs are sent to a server.
Known limits: ZIP-level variance within Boise can be substantial — the figures shown are city-wide medians. For a precise property tax quote, consult your county assessor.
Sources
- Zillow Research — ZHVI (Zillow Home Value Index) + ZORI (Zillow Observed Rent Index), city-level. zillow.com/research/data. Retrieved 2026-04-19.
- U.S. Census Bureau — American Community Survey (ACS) 5-year estimates for median household income and population. census.gov/programs-surveys/acs.
- CalcFi state financial context — tips + first-time homebuyer programs compiled from each state's Housing Finance Authority (HFA) public pages. See
src/data/state-financial-context.ts. - Tax Foundation — state property tax effective rates and state/local sales tax rates. taxfoundation.org.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — weekly national mortgage rate averages used by mortgage-related calculators. freddiemac.com/pmms.
- FDIC — National Deposit Rates (savings, checking, CD) — www.fdic.gov/resources/bankers/national-rates. Retrieved 2026-04-19.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — weekly national mortgage rates — www.freddiemac.com/pmms. Retrieved 2026-04-19.
- NAIC Dwelling Fire, Homeowners Owners, and Homeowners Tenants Insurance Report — content.naic.org/article/homeowners-insurance-report. Retrieved 2026-04-19.
- State Departments of Revenue — official bracket + deduction publications (one primary URL per state; linked in the brackets table below) — taxfoundation.org/data/all/state/state-income-tax-rates. Retrieved 2026-04-19.
- Bureau of Economic Analysis — Regional Price Parities by State — www.bea.gov/data/prices-inflation/regional-price-parities-state-and-metro-area. Retrieved 2026-04-19.
- U.S. Department of Labor — State Minimum Wage Laws — www.dol.gov/agencies/whd/minimum-wage/state. Retrieved 2026-04-19.
- FRED (Federal Reserve Economic Data) — real median household income, unemployment, HPI, LFPR per state — fred.stlouisfed.org. Retrieved 2026-04-19.
- BLS Occupational Employment and Wage Statistics (OEWS) — state-level occupational wages — www.bls.gov/oes. Retrieved 2026-04-19.
Spot an error? Email [email protected] with the URL and the correct figure.
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National reference: Down Payment Savings Calculator