| ZIP Codes: | 125 ZIP Codes (81 Standard, 37 PO Box, 7 Unique) [See All] |
| Area Codes: | 305 / 645 / 786 / 954 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:39 PM |
| Population: | 2,738,360 [See All] |
| FIPS: | 12086 |
| CBSA: | Miami-Fort Lauderdale-West Palm Beach, FL |
| Land Area: | 2,417 sq mi |
| Water Area: | 156 sq mi |
| Coordinates: | 25.7666, -80.2972 |
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2,738,360 residents live across 125 ZIPs covering 2,417 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 2,600,870 to 2,738,360 from 2014 to 2024 — a +5.3% change. 46 ZIPs gained residents, 33 lost (and 1 held flat).
The county's wealthiest ZIP 33109 (Miami Beach, $250,001 median) and poorest ZIP 33142 (Miami, $39,608) are 7.1 miles apart — a 6.3× income gap across local geography.
Median home values vary 7.0× across this county — from $284,400 in 33172 (Miami) to $2,000,001 in 33122 (Miami).
Density varies 2853× across the county — from 16 people/sq mi in 33034 (Homestead) to 46,912 in 33131 (Miami).
Educational attainment ranges from 10.7% bachelor's+ in 33054 (Opa Locka) to 78.5% in 33131 (Miami) — the breadth of educational profiles across the area.
Within Florida, this is the #1 most populous of 67 counties and ranks #17 for median household income with the #44 fastest decade growth .
On the national stage, Miami-Dade County is the #7 most populous US county .
Hosts 4 single-entity Unique ZIPs: 33039Homestead Air Force Base ; 33192Reshipper ; 33188Florida Power & Light Co ; and 33112International Service Center .
Weighted by population, the typical household earns about $74,911 across the county — reflecting what a typical resident sees, not a simple ZIP average.
34.4% of adults age 25+ hold a bachelor's degree or higher (675,665 of 1,964,804 reporting). The most-educated ZIPs cluster around Miami.
81 Standard delivery, 37 PO Box only, 7 single-entity Unique ZIPs serve this county.
11 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
7 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 6.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 33033 | Homestead | Standard | 71,458 | $69,635 | 10.6 | 35.3% |
| 33012 | Hialeah | Standard | 71,017 | $51,450 | 6.1 | -5.2% |
| 33157 | Miami | Standard | 70,596 | $81,589 | 15.2 | 3.9% |
| 33186 | Miami | Standard | 69,757 | $93,462 | 17.8 | -2.4% |
| 33015 | Hialeah | Standard | 68,891 | $77,339 | 6.5 | 3.1% |
| 33178 | Miami | Standard | 67,789 | $96,653 | 57.9 | 53.3% |
| 33032 | Homestead | Standard | 65,132 | $73,429 | 21.1 | 68.4% |
| 33177 | Miami | Standard | 59,056 | $82,682 | 12.8 | 4.1% |
| 33142 | Miami | Standard | 58,908 | $39,608 | 7.2 | 7.2% |
| 33018 | Hialeah | Standard | 57,921 | $89,639 | 156.5 | 22.4% |
| 33125 | Miami | Standard | 56,897 | $44,979 | 4.0 | 1.6% |
| 33161 | Miami | Standard | 54,814 | $58,325 | 5.5 | 0.1% |
| 33196 | Miami | Standard | 54,668 | $94,961 | 94.0 | 17.4% |
| 33176 | Miami | Standard | 51,804 | $86,354 | 12.7 | -0.1% |
| 33179 | Miami | Standard | 51,591 | $65,211 | 5.6 | 19.9% |
| 33147 | Miami | Standard | 50,419 | $50,704 | 7.3 | 15.8% |
| 33165 | Miami | Standard | 48,817 | $85,200 | 8.3 | -13.1% |
| 33175 | Miami | Standard | 48,237 | $77,841 | 7.9 | -11.1% |
| 33193 | Miami | Standard | 47,494 | $77,839 | 9.6 | -1.6% |
| 33126 | Miami | Standard | 47,307 | $58,210 | 9.5 | -1.7% |
| 33162 | Miami | Standard | 46,606 | $60,692 | 5.4 | -1.4% |
| 33016 | Hialeah | Standard | 45,551 | $58,479 | 4.7 | -7.0% |
| 33155 | Miami | Standard | 43,983 | $81,158 | 8.0 | -9.1% |
| 33160 | North Miami Beach | Standard | 43,718 | $67,040 | 5.4 | 11.7% |
| 33169 | Miami | Standard | 43,702 | $62,562 | 7.2 | 13.9% |
| 33010 | Hialeah | Standard | 41,701 | $46,553 | 4.0 | -10.8% |
| 33014 | Hialeah | Standard | 41,598 | $77,338 | 7.4 | 3.7% |
| 33172 | Miami | Standard | 39,101 | $63,023 | 7.3 | -2.0% |
| 33134 | Miami | Standard | 38,174 | $99,766 | 5.1 | -6.8% |
| 33056 | Miami Gardens | Standard | 37,890 | $68,583 | 6.5 | 7.5% |
| 33030 | Homestead | Standard | 37,678 | $46,202 | 27.3 | 9.4% |
| 33055 | Opa Locka | Standard | 37,659 | $62,286 | 6.3 | -17.7% |
| 33133 | Miami | Standard | 36,789 | $103,420 | 4.5 | 8.4% |
| 33141 | Miami Beach | Standard | 36,438 | $68,738 | 2.3 | -2.7% |
| 33135 | Miami | Standard | 36,143 | $40,567 | 2.1 | 1.6% |
| 33174 | Miami | Standard | 35,177 | $59,185 | 3.0 | 13.5% |
| 33130 | Miami | Standard | 34,964 | $61,009 | 1.1 | 41.8% |
| 33180 | Miami | Standard | 34,147 | $91,055 | 3.9 | 6.4% |
| 33139 | Miami Beach | Standard | 33,753 | $69,793 | 2.6 | -10.1% |
| 33143 | Miami | Standard | 33,711 | $83,008 | 8.0 | 3.1% |
| 33156 | Miami | Standard | 33,628 | $137,076 | 14.6 | -0.5% |
| 33183 | Miami | Standard | 33,527 | $70,218 | 5.8 | -10.1% |
| 33173 | Miami | Standard | 31,778 | $88,271 | 5.6 | -8.3% |
| 33054 | Opa Locka | Standard | 31,055 | $45,710 | 8.9 | 1.1% |
| 33150 | Miami | Standard | 30,974 | $40,873 | 3.5 | 7.7% |
| 33013 | Hialeah | Standard | 30,695 | $60,658 | 4.1 | -10.7% |
| 33145 | Miami | Standard | 29,761 | $73,995 | 2.5 | -4.4% |
| 33137 | Miami | Standard | 29,414 | $94,036 | 2.4 | 39.6% |
| 33138 | Miami | Standard | 28,980 | $75,051 | 4.2 | -1.8% |
| 33185 | Miami | Standard | 28,555 | $114,206 | 7.5 | -2.5% |
| 33166 | Miami | Standard | 28,265 | $81,581 | 11.9 | 20.1% |
| 33127 | Miami | Standard | 26,786 | $41,230 | 3.3 | -11.2% |
| 33189 | Miami | Standard | 26,128 | $69,420 | 6.3 | 5.8% |
| 33144 | Miami | Standard | 25,909 | $60,907 | 3.2 | -2.6% |
| 33034 | Homestead | Standard | 23,823 | $47,170 | 1,448.9 | -2.7% |
| 33168 | Miami | Standard | 23,775 | $65,777 | 3.6 | -17.0% |
| 33167 | Miami | Standard | 23,768 | $62,846 | 4.7 | 18.5% |
| 33131 | Miami | Standard | 23,095 | $144,138 | 0.5 | 45.8% |
| 33181 | Miami | Standard | 20,848 | $63,275 | 3.2 | 16.6% |
| 33140 | Miami Beach | Standard | 20,342 | $107,063 | 3.2 | -13.4% |
| 33132 | Miami | Standard | 20,253 | $109,109 | 1.6 | 94.9% |
| 33184 | Miami | Standard | 19,859 | $79,784 | 2.7 | -7.5% |
| 33146 | Miami | Standard | 19,052 | $131,500 | 3.2 | 27.2% |
| 33190 | Miami | Standard | 18,287 | $82,533 | 3.3 | 40.8% |
| 33187 | Miami | Standard | 18,174 | $115,206 | 130.1 | 9.6% |
| 33035 | Homestead | Standard | 17,202 | $68,354 | 58.4 | 22.8% |
| 33170 | Miami | Standard | 16,652 | $73,958 | 12.3 | 24.3% |
| 33136 | Miami | Standard | 16,545 | $44,843 | 1.4 | 24.8% |
| 33149 | Key Biscayne | Standard | 14,791 | $181,505 | 5.0 | 15.8% |
| 33129 | Miami | Standard | 14,702 | $113,367 | 1.2 | 7.2% |
| 33154 | Miami Beach | Standard | 14,572 | $89,563 | 2.1 | 0.9% |
| 33182 | Miami | Standard | 12,512 | $99,385 | 16.1 | -27.8% |
| 33128 | Miami | Standard | 9,475 | $42,722 | 0.5 | 25.2% |
| 33194 | Miami | Standard | 8,069 | $126,250 | 0.5 | -6.0% |
| 33031 | Homestead | Standard | 7,323 | $109,945 | 22.3 | 12.6% |
| 33158 | Miami | Standard | 5,960 | $201,597 | 2.6 | -18.6% |
| 33122 | Miami | Standard | 1,687 | $99,583 | 2.2 | — |
| 33109 | Miami Beach | Standard | 1,083 | $250,001 | 0.3 | 107.1% |
| 33101 | Miami | PO Box | 0 | — | 0.0 | — |
| 33039 | Homestead | Unique | 0 | — | 4.6 | -100.0% |
| 33090 | Homestead | PO Box | — | — | 0.0 | — |
| 33092 | Homestead | PO Box | — | — | 0.0 | — |
| 33257 | Miami | PO Box | — | — | 0.0 | — |
| 33197 | Miami | PO Box | — | — | 0.0 | — |
| 33124 | Miami | PO Box | — | — | 0.0 | — |
| 33233 | Miami | PO Box | — | — | 0.0 | — |
| 33265 | Miami | PO Box | — | — | 0.0 | — |
| 33243 | Miami | PO Box | — | — | 0.0 | — |
| 33256 | Miami | PO Box | — | — | 0.0 | — |
| 33116 | Miami | PO Box | — | — | 0.0 | — |
| 33296 | Miami | PO Box | — | — | 0.0 | — |
| 33283 | Miami | PO Box | — | — | 0.0 | — |
| 33191 | Miami | Standard | — | — | 0.0 | — |
| 33119 | Miami Beach | PO Box | — | — | 0.0 | — |
| 33255 | Miami | PO Box | — | — | 0.0 | — |
| 33114 | Coral Gables | PO Box | — | — | 0.0 | — |
| 33239 | Miami Beach | PO Box | — | — | 0.0 | — |
| 33152 | Miami | PO Box | — | — | 0.0 | — |
| 33102 | Miami | PO Box | — | — | 0.0 | — |
| 33188 | Miami | Unique | — | — | 0.0 | — |
| 33299 | Miami | PO Box | — | — | 0.0 | — |
| 33112 | Miami | Unique | — | — | 0.0 | — |
| 33199 | Miami | Unique | — | — | 0.0 | — |
| 33231 | Miami | PO Box | — | — | 0.0 | — |
| 33222 | Miami | PO Box | — | — | 0.0 | — |
| 33234 | Miami | PO Box | — | — | 0.0 | — |
| 33245 | Miami | PO Box | — | — | 0.0 | — |
| 33198 | Miami | Standard | — | — | 0.0 | — |
| 33242 | Miami | PO Box | — | — | 0.0 | — |
| 33192 | Miami | Unique | — | — | 0.1 | — |
| 33195 | Miami | Standard | — | — | 0.0 | — |
| 33266 | Miami | PO Box | — | — | 0.0 | — |
| 33011 | Hialeah | PO Box | — | — | 0.0 | — |
| 33238 | Miami | PO Box | — | — | 0.0 | — |
| 33247 | Miami | PO Box | — | — | 0.0 | — |
| 33206 | Miami | Unique | — | — | 0.0 | — |
| 33106 | Miami | Unique | — | — | 0.0 | — |
| 33261 | Miami | PO Box | — | — | 0.0 | — |
| 33164 | Miami | PO Box | — | — | 0.0 | — |
| 33153 | Miami | PO Box | — | — | 0.0 | — |
| 33002 | Hialeah | PO Box | — | — | 0.0 | — |
| 33280 | Miami | PO Box | — | — | 0.0 | — |
| 33163 | Miami | PO Box | — | — | 0.0 | — |
| 33269 | Miami | PO Box | — | — | 0.0 | — |
| 33017 | Hialeah | PO Box | — | — | 0.0 | — |