St. Augustine: Housing & Real Estate
St. Augustine's median home value is $49,000 (estimated market value runs 21% higher at $59,096), with median rent $-666,666,666. Homeownership rate: 87.3%. That's 2.0× below the Knox County median ($96,800); 5.1× below the Illinois median ($250,113). Market is stable. Vacancy rate 6.0%. A municipal building code is in effect.
- -0.0× annual income — home value vs. household income (vs Illinois 2.9×).
- 4-BR rent is 1.7× a studio — rent gradient by unit size.
Home Values & Rent
Median home value $49,000 — 0.2× the Illinois median ($250,113). Median rent $-666,666,666/month. homeownership rate 87.3% — above the U.S. share of ~65%.
| Affordability · Home Price To Income | 1.0× |
|---|---|
| Affordability · Home Affordability | affordable |
| Affordability · Poverty Rate | 23.9% |
| Affordability · Property Tax Pct Income | 1.4% |
| Fair Market Rent · Studio rent | $694 |
| Fair Market Rent · One-bedroom rent | $698 |
| Fair Market Rent · Two-bedroom rent | $916 |
| Fair Market Rent · Three-bedroom rent | $1,199 |
| Fair Market Rent · Four-bedroom rent | $1,213 |
| Fair Market Rent · HUD FMR area | Knox County, IL |
| Fair Market Rent · Fiscal year | FY2026 |
| Home Value Estimate | $59,096 |
| Median Home Value | $49,000 (vs Illinois $250,113) |
| Median Rent | $-666,666,666 (vs Illinois $1,193) |
Sources: HUD FMR FY2026 · Census ACS 5-Year 2023, B25077 · Census ACS 5-Year 2023 · Refreshed 2026-04-12
Tenure & Occupancy
Owner-occupied vs renter-occupied housing units, plus vacancy rates.
| Housing Market · Market temperature | stable |
|---|---|
| Housing Market · Vacancy rate | 6.0% |
| Housing Market · Price Appreciation 2Yr | -7.0% |
Utilities
Electricity, water, and broadband infrastructure serving residents. Broadband percentages reflect the share of premises that can subscribe to service at the listed speed (FCC Form 477).
Systems (5)
| Broadband · % of premises with 25/3 Mbps broadband | 100.0% |
|---|---|
| Broadband · % of premises with 100/20 Mbps broadband | 100.0% |
| Broadband · % of premises with 250/25 Mbps broadband | 100.0% |
| Broadband · % of premises with 1 Gbps / 100 Mbps broadband | 2.2% |
| Broadband · Broadband-capable premises | 91 |
| Electricity · Electricity rate (¢/kWh) | 15.87¢/kWh |
| Electricity · Customers | 5,392,477 |
| Electricity · Revenue Millions | $7,118 |
| Electricity · Year | 2024 |
| Mobile Broadband · 3G mobile coverage | 0% |
| Mobile Broadband · 4G mobile coverage | 100% |
| Mobile Broadband · 5G mobile coverage | 87% |
| Mobile Home Parks Detail · County total | 6 |
Sources: FCC BDC Jun 2025 · EIA Annual Retail Sales 2023 · FCC BDC Mobile 2024 · HIFLD / IRS BMF · Refreshed 2026-04-12
Other
| Homeownership Rate | 87.3% |
|---|---|
| Median Year Built | 1965 |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12