Mortgage on a $325,000 Home in Montana: Monthly Payment & Full Breakdown
With 20% down and a 6.85% 30-year fixed rate, the total monthly payment on a $325,000 home in Montana is $2,004 — including principal, interest, property tax, and insurance. Montana's effective property tax rate is 0.74%, which adds $200/month.
Monthly Payment Breakdown (30-Year, 20% Down)
$1,704
Principal & Interest
$200
Property Tax/mo
$100
Home Insurance/mo
$2,004
Total Monthly
| Component | Monthly | Annual |
|---|---|---|
| Principal & Interest (6.85%) | $1,704 | $20,444 |
| Property Tax (0.74% rate) | $200 | $2,405 |
| Homeowner's Insurance | $100 | $1,200 |
| PMI (with 20% down) | $0 | $0 |
| Total Monthly Payment | $2,004 | $24,049 |
With 10% Down (PMI Required)
A 10% down payment on $325,000 means a $32,500 down payment and a $292,500 loan. PMI adds $122/month until you reach 20% equity (estimated: April 2033).
| Component | Monthly |
|---|---|
| Principal & Interest | $1,917 |
| Property Tax | $200 |
| Insurance | $100 |
| PMI (~0.5%/year) | $122 |
| Total | $2,339 |
30-Year vs 15-Year Mortgage
| Metric | 30-Year (6.85%) | 15-Year (6.2%) |
|---|---|---|
| Monthly P&I | $1,704 | $2,222 |
| Total Monthly | $2,004 | $2,523 |
| Total Interest Paid | $353,323 | $140,000 |
| Total Cost | $613,323 | $400,000 |
| Interest Saved (15yr) | — | $213,323 |
Equity Growth Over Time
At Purchase
20.0% equity
Balance: $260,000
After 5 Years
24.8% equity
Balance: $244,346
After 10 Years
31.6% equity
Balance: $222,319
Loan Paid Off
100.0% equity
Balance: $0
What Income Do You Need?
Lenders typically require housing costs to stay at or below 28% of gross monthly income. To comfortably afford a $2,004/month payment, you need a gross income of at least $85,890/year ($7,157/month before taxes). With a front-end ratio of 36% (common for conventional loans), you'd need $66,803/year.
Payment at Different Interest Rates
| Interest Rate | Monthly P&I | Total Monthly | Total Interest |
|---|---|---|---|
| 4.8% | $1,372 | $1,672 | $233,920 |
| 5.8% | $1,534 | $1,834 | $292,185 |
| 6.8% current | $1,704 | $2,004 | $353,323 |
| 7.8% | $1,881 | $2,181 | $417,041 |
| 8.8% | $2,064 | $2,364 | $483,047 |