Collier County vs Lee County
Two neighbouring counties in Florida, compared on population, size, income and housing. They share 57 mi of border.
Collier County
Florida
Lee County
Florida
Both outlines are drawn at true relative size. Collier County spans about 105.9 km at its widest.
Side by side
| Measure | Collier County | Difference | Lee County |
|---|---|---|---|
| Population | 417,131 | -52.4% | 875,607 |
| Change since 2020 | 10.5% | -3.9 pp | 14.4% |
| Land area | 1,997 sq mi | +155.6% | 781.2 sq mi |
| Population density | 209 per sq mi | -81.4% | 1,121 per sq mi |
| Median household income | $90,045 | +18.3% | $76,107 |
| Median home value | $540,700 | +49.3% | $362,200 |
| Median age | 53.3 | +8.8% | 49.0 |
| Households | 165,875 | -49.4% | 327,803 |
| Housing units | 239,406 | -45.7% | 441,194 |
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. The difference column is computed here: the first county's figure against the second, expressed as a percentage of the second. The change-since-2020 row is the exception: two growth rates differ in percentage points (pp), not percent. Retrieved 30 August 2026.
What the numbers say
- Lee County holds about 2.1 times the population of Collier County: 875,607 against 417,131.
- Collier County covers more ground, at 1,997 square miles against 781.2.
- Lee County is the more crowded of the two, at 1,121 people per square mile against 209.
- Median household income is higher in Collier County, by 13,938 dollars a year.
- Since 2020, Collier County has grown by 10.5% and Lee County has grown by 14.4%.
- They share 57 mi of common border, which the Census Bureau publishes in its county adjacency file and which almost no other county reference presents.
Full pages
Want a different pair? Compare any two of the 3,144 US counties.
Rebuilt from source data 30 August 2026. How these figures are produced.