Clinton County, IL Average Home Price (2026)
The average home price in Clinton County, Illinois is about $257,500 (the 2026 median across 10 ZIP codes, at ~$131/sq ft) — 31% more expensive than the Illinois median and 11% more affordable than the typical U.S. home.
How Clinton County compares
Clinton County is about average for housing nationally: its typical home costs $257,500 against $197,000 for Illinois and $289,000 for the U.S. Within the county, ZIP-level values run from about $142,000 to $318,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Clinton County | $257,500 | $131 |
| Illinois | $197,000 | $134 |
| United States | $289,000 | $193 |
Clinton County home prices by ZIP code
The 10 most valuable ZIP codes in Clinton County (of 10 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 62216 Aviston | $318,000 | $155 | +23% |
| 62218 Bartelso | $290,000 | $153 | +13% |
| 62293 Trenton | $266,000 | $129 | +3% |
| 62230 Breese | $263,000 | $125 | +2% |
| 62215 Albers | $262,000 | $138 | +2% |
| 62245 Germantown | $253,000 | $106 | -2% |
| 62265 New Baden | $230,000 | $140 | -11% |
| 62231 Keyesport | $189,000 | $133 | -27% |
| 62219 Beckemeyer | $145,000 | $81 | -44% |
| 62250 Hoffman | $142,000 | $112 | -45% |
Home value appreciation in Clinton County
Home prices in Clinton County have risen about 57% over the last 10 years (≈4.6% a year) and +64.4% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +5.5% — still rising. A home worth $257,500 today was worth roughly $163,908 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Illinois is +64.6% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Clinton County
Run the numbers for Clinton County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Clinton County
To buy the typical $257,500 home in Clinton County with 20% down, you need a household income of roughly $70,000 a year (about $1,630 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $83,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $12,900 | $2,030/mo | $87,000/yr |
| 10% (+PMI) | $25,800 | $1,940/mo | $83,000/yr |
| 20% | $51,500 | $1,630/mo | $70,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Clinton County
At about $131 per square foot, here is roughly how much home different budgets get you in Clinton County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1150 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1530 sq ft | below the local median — condos, smaller or older homes |
| $250k | 1910 sq ft | around the typical home here |
| $300k | 2290 sq ft | around the typical home here |
| $400k | 3050 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Illinois.
Estimate a specific home in Clinton County
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Clinton County home prices: frequently asked
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Browse all Illinois cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.