City comparison
Decatur, IL is about 50 miles (70 km) from Normal, IL in a straight line. By road, the drive is roughly 60 miles, or about 57 min behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Decatur, IL to Normal, IL takes about 6 min, covering roughly 50 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Decatur has a population of 70,975, vs 52,920 in Normal — about 1.3× larger by population. By land area, Decatur covers about 44 sq mi vs 19 sq mi for Normal.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Decatur | Normal | Difference |
|---|---|---|---|
| Median rent | $770/mo | $924/mo | 20.0% higher in Normal |
| Median home value | $96,800 | $194,400 | 100.8% higher in Normal |
| Median household income | $49,039 | $63,965 | 30.4% higher in Normal |
| Groceries index | 93.9 | 93.9 | ≈ equal |
| Utilities index | 91.2 | 89.8 | 1.5% higher in Decatur |
| Transportation index | 99.3 | 99.3 | ≈ equal |
| Healthcare index | 99.5 | 99.5 | ≈ equal |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Decatur, you'd need $109,380 in Normal to maintain your standard of living.
Climate, safety, and demographics side by side.
Decatur, IL is about 8.6% cheaper overall than Normal, IL, based on our cost-of-living index. Housing costs are roughly 32% higher in Normal than in Decatur. If you earn $80,000 in Decatur, you'd need about $87,504 in Normal to keep the same standard of living.