Conventional Loan Calculator — Illinois
In Illinois, one-unit loans up to $832,750 are conforming. With 10% down on the typical $298,000 home, the $268,200 loan carries estimated PMI of 0.72% ($161/mo), which drops off after about 9 years once the balance reaches 80% of the price.
Illinois has the highest effective property tax rate of the 50 states at 1.88% — $2,891 more a year than the 0.91% state average on a $298,000 home. Homeowners insurance averages $2,643 a year, the 23rd-highest premium nationally and $77 less than the typical state.
Loan Parameters
Total Monthly Payment
$2,638
Principal & Interest + Taxes + Insurance
APR 7.488%
Total Interest
$376,108
Total Cost
$907,763
Advanced Parameters
Private Mortgage Insurance (PMI)
Your down payment is below 20%. PMI is estimated at 0.72% annually and is removed here when your LTV reaches 80%.
Loan Summary
Payoff Date
Sep 2056
Interest / Principal
1.40x
Mortgage Insurance Ends
Feb 2035
50% Equity
Jul 2048
Amortization Schedule
| Period | Payment | Principal | Interest | PMI | Balance | Equity |
|---|---|---|---|---|---|---|
| Year 1 | $21,477 | $2,709 | $18,768 | $1,931 | $265,491 | $32,509 |
| Year 2 | $21,477 | $2,905 | $18,572 | $1,931 | $262,586 | $35,414 |
| Year 3 | $21,477 | $3,116 | $18,361 | $1,931 | $259,470 | $38,530 |
| Year 4 | $21,477 | $3,343 | $18,134 | $1,931 | $256,127 | $41,873 |
| Year 5 | $21,477 | $3,585 | $17,892 | $1,931 | $252,542 | $45,458 |
| Year 6 | $21,477 | $3,846 | $17,631 | $1,931 | $248,696 | $49,304 |
| Year 7 | $21,477 | $4,125 | $17,352 | $1,931 | $244,571 | $53,429 |
| Year 8 | $21,477 | $4,424 | $17,053 | $1,931 | $240,147 | $57,853 |
| Year 9 | $21,477 | $4,746 | $16,731 | $644 | $235,401 | $62,599 |
| Year 10 | $21,477 | $5,090 | $16,387 | — | $230,311 | $67,689 |
| Year 11 | $21,477 | $5,460 | $16,017 | — | $224,851 | $73,149 |
| Year 12 | $21,477 | $5,856 | $15,621 | — | $218,995 | $79,005 |
| Year 13 | $21,477 | $6,282 | $15,195 | — | $212,713 | $85,287 |
| Year 14 | $21,477 | $6,738 | $14,739 | — | $205,975 | $92,025 |
| Year 15 | $21,477 | $7,227 | $14,250 | — | $198,749 | $99,251 |
| Year 16 | $21,477 | $7,752 | $13,725 | — | $190,997 | $107,003 |
| Year 17 | $21,477 | $8,314 | $13,163 | — | $182,683 | $115,317 |
| Year 18 | $21,477 | $8,918 | $12,559 | — | $173,764 | $124,236 |
| Year 19 | $21,477 | $9,566 | $11,911 | — | $164,199 | $133,801 |
| Year 20 | $21,477 | $10,260 | $11,217 | — | $153,939 | $144,062 |
| Year 21 | $21,477 | $11,005 | $10,472 | — | $142,933 | $155,067 |
| Year 22 | $21,477 | $11,804 | $9,673 | — | $131,129 | $166,871 |
| Year 23 | $21,477 | $12,661 | $8,816 | — | $118,468 | $179,533 |
| Year 24 | $21,477 | $13,581 | $7,896 | — | $104,887 | $193,113 |
| Year 25 | $21,477 | $14,567 | $6,910 | — | $90,320 | $207,680 |
| Year 26 | $21,477 | $15,625 | $5,852 | — | $74,695 | $223,305 |
| Year 27 | $21,477 | $16,759 | $4,718 | — | $57,936 | $240,064 |
| Year 28 | $21,477 | $17,976 | $3,501 | — | $39,960 | $258,040 |
| Year 29 | $21,477 | $19,281 | $2,196 | — | $20,679 | $277,321 |
| Year 30 | $21,475 | $20,679 | $796 | — | $0 | $298,000 |
Conventional Loan numbers for Illinois
- Typical Illinois home value
- $298,000
- 10% down ($29,800) · Zillow, August 31, 2026
- Loan amount
- $268,200
- conforming in all 102 Illinois counties
- Estimated monthly payment
- $2,638
- APR 7.488%
- Illinois property tax
- 1.88%
- $467/mo
- Homeowners insurance
- $2,643/yr
- $220/mo
- Illinois conforming limit
- $832,750
- Above this, the loan is jumbo
- PMI
- 0.72% · $161/mo
- Drops off after 9 years
How much house can you afford in Illinois with a conventional loan?
Highest price where principal, interest, Illinois property tax, insurance and PMI stay within 28% of gross income —10% down, 30-year fixed at 7.03%. Other debts lower these numbers.
| Household income | Housing budget / mo | Max home price | Down payment | vs typical home |
|---|---|---|---|---|
| $50,000 | $1,167 | $116,000 | $11,600 | 39% |
| $75,000 | $1,750 | $188,000 | $18,800 | 63% |
| $100,000 | $2,333 | $260,000 | $26,000 | 87% |
| $125,000 | $2,917 | $332,000 | $33,200 | 112% |
| $150,000 | $3,500 | $404,000 | $40,400 | 136% |
| $200,000 | $4,667 | $548,000 | $54,800 | 184% |
| $250,000 | $5,833 | $691,000 | $69,100 | 232% |
Conventional vs other loan types in Illinois
$298,000 home, each program's typical minimum or default down payment, current average 30-year rate.
| Loan type | Down | Loan amount | Upfront fee | Monthly MI | Total / month | APR |
|---|---|---|---|---|---|---|
| Conventional | 10% · $29,800 | $268,200 | — | $161 PMI | $2,638 | 7.488% |
| FHA | 3.5% · $10,430 | $292,602 | UFMIP $5,032 | $134 MIP | $2,773 | 7.761% |
| VA | 0% · $0 | $304,407 | Funding fee $6,407 | $0 | $2,718 | 7.242% |
| JumboLoan is conforming (≤ $832,750) | 20% · $59,600 | $238,400 | — | $0 | $2,278 | 7.030% |
Frequently asked questions
What is the monthly payment on a $298,000 home with a conventional loan in Illinois?
Estimated $2,638 per month ($1,790 principal & interest, $467 property tax, $220 insurance, $161 PMI) at 7.03% for 30 years, with 10% down. APR 7.488%.
How much is PMI on a Illinois conventional loan?
At 90% loan-to-value, PMI is estimated at 0.72% a year ($161/mo). It can be removed once the balance reaches 80% of the home's original value.
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Data sources & assumptions
- Freddie Mac Primary Mortgage Market Survey (PMMS) — Weekly average as of September 24, 2026
- Zillow Home Value Index (ZHVI), typical home value, all homes — Default home prices; typical value as of August 31, 2026
- FHFA 2026 Conforming Loan Limit Values (one-unit) — 2026 one-unit limits, 56 states & territories
- Effective statewide property tax rate (Tax Foundation, 2026 projections) — Statewide effective rate; county rates vary
- Average annual homeowners premium, $300K dwelling / $1K deductible (industry survey averages) — Statewide average premium
- CFPB — What is private mortgage insurance?
- Homeowners Protection Act (PMI cancellation at 78–80% LTV)
Estimates exclude lender origination fees, points and closing costs. See our methodology for formulas and limitations.