| ZIP Codes: | 26 ZIP Codes (17 Standard, 9 PO Box, 0 Unique) [See All] |
| Area Code: | 239 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:37 PM |
| Population: | 397,687 [See All] |
| FIPS: | 12021 |
| CBSA: | Naples-Marco Island, FL |
| Land Area: | 2,474 sq mi |
| Water Area: | 94 sq mi |
| Coordinates: | 26.1268, -81.6317 |
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397,687 residents live across 26 ZIPs covering 2,474 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 334,351 to 397,687 from 2014 to 2024 — a +18.9% change. 13 ZIPs gained residents, 8 lost (and 1 held flat).
The county's wealthiest ZIP 34102 (Naples, $130,929 median) and poorest ZIP 34142 (Immokalee, $62,333) are 34.0 miles apart — a 2.1× income gap across local geography.
Median home values vary 6.3× across this county — from $317,800 in 34142 (Immokalee) to $2,000,001 in 34102 (Naples).
Density varies 53× across the county — from 69 people/sq mi in 34142 (Immokalee) to 3,674 in 34116 (Naples).
Most of the decade's growth concentrated around Naples — top growth ZIPs averaged +57.1% over the past ten years ( 34114 , 34120 and 34119 ).
Educational attainment ranges from 15.7% bachelor's+ in 34142 (Immokalee) to 60.4% in 34108 (Naples) — the breadth of educational profiles across the area.
Within Florida, this is the #18 most populous of 67 counties and ranks #3 for median household income with the #21 fastest decade growth .
Weighted by population, the typical household earns about $90,875 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.3% of adults age 25+ hold a bachelor's degree or higher (123,978 of 307,829 reporting). The most-educated ZIPs cluster around Naples.
17 Standard delivery, 9 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Collier County grew 18.9% over the past decade — concentrated in 5 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 34120 | Naples | Standard | 42,345 | $93,861 | 167.6 | 51.8% |
| 34119 | Naples | Standard | 36,807 | $113,391 | 23.8 | 46.0% |
| 34116 | Naples | Standard | 35,591 | $73,958 | 9.7 | 3.3% |
| 34142 | Immokalee | Standard | 35,149 | $62,333 | 510.8 | 21.9% |
| 34109 | Naples | Standard | 27,273 | $92,259 | 13.3 | 10.3% |
| 34112 | Naples | Standard | 27,193 | $69,842 | 15.1 | 8.9% |
| 34104 | Naples | Standard | 26,408 | $71,686 | 10.5 | 8.6% |
| 34113 | Naples | Standard | 26,056 | $81,674 | 33.8 | 42.1% |
| 34110 | Naples | Standard | 25,630 | $97,564 | 17.6 | 16.0% |
| 34114 | Naples | Standard | 23,559 | $89,334 | 238.0 | 73.5% |
| 34117 | Naples | Standard | 19,923 | $110,614 | 114.3 | 29.3% |
| 34108 | Naples | Standard | 16,237 | $119,212 | 8.8 | -4.4% |
| 34145 | Marco Island | Standard | 16,205 | $101,523 | 19.4 | -4.2% |
| 34105 | Naples | Standard | 15,441 | $92,214 | 10.5 | -0.2% |
| 34103 | Naples | Standard | 11,299 | $116,875 | 3.6 | -5.1% |
| 34102 | Naples | Standard | 11,179 | $130,929 | 6.7 | -0.6% |
| 34138 | Chokoloskee | PO Box | 808 | $98,495 | 3.7 | 91.9% |
| 34139 | Everglades City | PO Box | 243 | $85,000 | 4.1 | -74.2% |
| 34141 | Ochopee | Standard | 169 | $106,591 | 1,262.5 | 62.5% |
| 34140 | Goodland | PO Box | 104 | — | 0.4 | -63.5% |
| 34137 | Copeland | PO Box | 68 | — | 0.0 | -71.3% |
| 34101 | Naples | PO Box | 0 | — | 0.0 | — |
| 34106 | Naples | PO Box | — | — | 0.0 | — |
| 34146 | Marco Island | PO Box | — | — | 0.0 | — |
| 34107 | Naples | PO Box | — | — | 0.0 | — |
| 34143 | Immokalee | PO Box | — | — | 0.0 | — |