City comparison
Harlingen, TX is about 450 miles (700 km) from Lafayette, LA in a straight line. By road, the drive is roughly 550 miles, or about 9 h 15 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 Harlingen, TX to Lafayette, LA takes about 53 min, covering roughly 450 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.
Lafayette has a population of 121,706, vs 71,497 in Harlingen — about 1.7× larger by population. By land area, Lafayette covers about 56 sq mi vs 40 sq mi for Harlingen.
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 | Harlingen | Lafayette | Difference |
|---|---|---|---|
| Median rent | $867/mo | $1,022/mo | 17.9% higher in Lafayette |
| Median home value | $111,600 | $234,900 | 110.5% higher in Lafayette |
| Median household income | $50,367 | $58,850 | 16.8% higher in Lafayette |
| Groceries index | 94.2 | 94.1 | ≈ equal (Harlingen slightly higher) |
| Utilities index | 82.4 | 73.3 | 12.3% higher in Harlingen |
| Transportation index | 96.6 | 96.1 | ≈ equal (Harlingen slightly higher) |
| Healthcare index | 96.1 | 95.6 | ≈ equal (Harlingen slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Harlingen, you'd need $99,899 in Lafayette to maintain your standard of living.
Climate, safety, and demographics side by side.
Harlingen and Lafayette have nearly identical overall cost-of-living indices. Housing costs are roughly 4% higher in Lafayette than in Harlingen. If you earn $80,000 in Harlingen, you'd need about $79,919 in Lafayette to keep the same standard of living.