| ZIP Codes: | 85 ZIP Codes (49 Standard, 7 PO Box, 29 Unique) [See All] |
| Area Codes: | 215 / 267 / 445 / 484 / 610 / 835 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:32 PM |
| Population: | 1,580,199 [See All] |
| FIPS: | 42101 |
| CBSA: | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| Land Area: | 147 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 39.9827, -75.1560 |
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1,580,199 residents live across 85 ZIPs covering 147 sq mi, served by 1 distinct USPS-recognized cities.
Population moved from 1,547,022 to 1,580,045 from 2014 to 2024 — a +2.1% change. 30 ZIPs gained residents, 16 lost (and 2 held flat).
The county's wealthiest ZIP 19106 (Philadelphia, $121,047 median) and poorest ZIP 19133 (Philadelphia, $31,034) are 3.0 miles apart — a 3.9× income gap across local geography.
Median home values vary 8.8× across this county — from $81,400 in 19132 (Philadelphia) to $718,300 in 19118 (Philadelphia).
Density varies 36× across the county — from 1,018 people/sq mi in 19153 (Philadelphia) to 36,613 in 19103 (Philadelphia).
Most of the decade's growth concentrated around Philadelphia — top growth ZIPs averaged +39.0% over the past ten years ( 19123 , 19102 and 19106 ).
Educational attainment ranges from 7.7% bachelor's+ in 19133 (Philadelphia) to 89.4% in 19102 (Philadelphia) — the breadth of educational profiles across the area.
Within Pennsylvania, this is the #1 most populous of 67 counties and ranks #29 for median household income .
On the national stage, Philadelphia County is the #24 most populous US county .
Hosts 4 single-entity Unique ZIPs: 19190National Passport Agency ; 19188Hosiery Corp Of America ; 19181Colonial Penn Group ; and 19192Cigna Corporation .
Weighted by population, the typical household earns about $63,286 across the county — reflecting what a typical resident sees, not a simple ZIP average.
35.4% of adults age 25+ hold a bachelor's degree or higher (385,706 of 1,089,563 reporting). The most-educated ZIPs cluster around Philadelphia.
49 Standard delivery, 7 PO Box only, 29 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.
29 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.9× 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 |
|---|---|---|---|---|---|---|
| 19124 | Philadelphia | Standard | 71,004 | $45,314 | 5.1 | 10.9% |
| 19120 | Philadelphia | Standard | 66,469 | $54,000 | 3.3 | -14.4% |
| 19111 | Philadelphia | Standard | 66,283 | $61,138 | 5.3 | -4.4% |
| 19143 | Philadelphia | Standard | 62,572 | $43,244 | 3.2 | -2.3% |
| 19149 | Philadelphia | Standard | 56,914 | $58,496 | 2.5 | 2.6% |
| 19104 | Philadelphia | Standard | 55,172 | $38,814 | 3.1 | 3.4% |
| 19134 | Philadelphia | Standard | 53,594 | $44,066 | 4.1 | -15.8% |
| 19140 | Philadelphia | Standard | 53,385 | $36,226 | 3.2 | -0.4% |
| 19144 | Philadelphia | Standard | 50,580 | $53,161 | 3.6 | 21.7% |
| 19148 | Philadelphia | Standard | 50,400 | $82,605 | 4.9 | -4.2% |
| 19131 | Philadelphia | Standard | 43,776 | $48,393 | 5.2 | 0.7% |
| 19145 | Philadelphia | Standard | 43,440 | $71,965 | 5.1 | -8.5% |
| 19139 | Philadelphia | Standard | 43,090 | $40,947 | 2.0 | 1.5% |
| 19121 | Philadelphia | Standard | 41,574 | $38,516 | 2.6 | 26.8% |
| 19146 | Philadelphia | Standard | 41,058 | $103,059 | 1.8 | 12.2% |
| 19147 | Philadelphia | Standard | 39,704 | $105,755 | 1.8 | 8.5% |
| 19128 | Philadelphia | Standard | 38,039 | $93,173 | 7.2 | 2.4% |
| 19136 | Philadelphia | Standard | 36,262 | $56,687 | 5.5 | 4.0% |
| 19152 | Philadelphia | Standard | 35,955 | $59,408 | 3.0 | 3.7% |
| 19115 | Philadelphia | Standard | 35,279 | $70,054 | 4.7 | 8.5% |
| 19135 | Philadelphia | Standard | 33,803 | $53,138 | 2.6 | 6.0% |
| 19154 | Philadelphia | Standard | 33,796 | $95,027 | 6.4 | 0.5% |
| 19116 | Philadelphia | Standard | 33,654 | $67,535 | 5.2 | 1.3% |
| 19151 | Philadelphia | Standard | 33,267 | $54,634 | 2.1 | 1.8% |
| 19132 | Philadelphia | Standard | 33,006 | $32,823 | 2.4 | -8.1% |
| 19141 | Philadelphia | Standard | 32,385 | $43,998 | 1.8 | -3.6% |
| 19138 | Philadelphia | Standard | 30,821 | $57,744 | 1.8 | -10.0% |
| 19114 | Philadelphia | Standard | 30,411 | $77,708 | 5.9 | -1.7% |
| 19130 | Philadelphia | Standard | 30,116 | $112,037 | 1.4 | 12.6% |
| 19142 | Philadelphia | Standard | 28,829 | $38,376 | 1.7 | 0.2% |
| 19119 | Philadelphia | Standard | 28,356 | $92,651 | 3.4 | -2.3% |
| 19103 | Philadelphia | Standard | 25,900 | $99,644 | 0.7 | 10.3% |
| 19122 | Philadelphia | Standard | 25,439 | $63,676 | 1.3 | 25.0% |
| 19125 | Philadelphia | Standard | 25,140 | $109,554 | 1.8 | 11.4% |
| 19133 | Philadelphia | Standard | 24,864 | $31,034 | 1.3 | -5.3% |
| 19150 | Philadelphia | Standard | 24,304 | $66,936 | 1.6 | -3.9% |
| 19123 | Philadelphia | Standard | 19,681 | $102,106 | 1.5 | 47.5% |
| 19126 | Philadelphia | Standard | 17,483 | $53,176 | 1.2 | 9.4% |
| 19107 | Philadelphia | Standard | 14,825 | $69,105 | 0.5 | 20.3% |
| 19106 | Philadelphia | Standard | 14,597 | $121,047 | 1.0 | 27.2% |
| 19153 | Philadelphia | Standard | 13,018 | $55,213 | 12.8 | 11.6% |
| 19129 | Philadelphia | Standard | 11,937 | $80,606 | 2.0 | 5.8% |
| 19118 | Philadelphia | Standard | 9,978 | $109,649 | 3.4 | -1.1% |
| 19137 | Philadelphia | Standard | 8,026 | $76,739 | 2.8 | 0.9% |
| 19102 | Philadelphia | Standard | 6,195 | $102,093 | 0.2 | 42.3% |
| 19127 | Philadelphia | Standard | 5,664 | $102,106 | 0.5 | -6.1% |
| 19108 | Philadelphia | PO Box | 154 | $193,654 | 0.0 | — |
| 19109 | Philadelphia | Standard | 0 | — | 0.0 | — |
| 19112 | Philadelphia | Standard | 0 | — | 3.1 | — |
| 19190 | Philadelphia | Unique | — | — | 0.0 | — |
| 19188 | Philadelphia | Unique | — | — | 0.0 | — |
| 19176 | Philadelphia | PO Box | — | — | 0.0 | — |
| 19181 | Philadelphia | Unique | — | — | 0.0 | — |
| 19110 | Philadelphia | Standard | — | — | 0.0 | — |
| 19192 | Philadelphia | Unique | — | — | 0.0 | — |
| 19105 | Philadelphia | PO Box | — | — | 0.0 | — |
| 19101 | Philadelphia | PO Box | — | — | 0.0 | — |
| 19161 | Philadelphia | Unique | — | — | 0.0 | — |
| 19019 | Philadelphia | PO Box | — | — | 0.0 | — |
| 19092 | Philadelphia | Unique | — | — | 0.0 | — |
| 19184 | Philadelphia | Unique | — | — | 0.0 | — |
| 19182 | Philadelphia | Unique | — | — | 0.0 | — |
| 19162 | Philadelphia | Unique | — | — | 0.0 | — |
| 19173 | Philadelphia | Unique | — | — | 0.0 | — |
| 19175 | Philadelphia | Unique | — | — | 0.0 | — |
| 19178 | Philadelphia | Unique | — | — | 0.0 | — |
| 19183 | Philadelphia | Unique | — | — | 0.0 | — |
| 19170 | Philadelphia | Unique | — | — | 0.0 | — |
| 19177 | Philadelphia | Unique | — | — | 0.0 | — |
| 19196 | Philadelphia | Unique | — | — | 0.0 | — |
| 19195 | Philadelphia | Unique | — | — | 0.0 | — |
| 19197 | Philadelphia | Unique | — | — | 0.0 | — |
| 19185 | Philadelphia | Unique | — | — | 0.0 | — |
| 19187 | Philadelphia | Unique | — | — | 0.0 | — |
| 19191 | Philadelphia | Unique | — | — | 0.0 | — |
| 19193 | Philadelphia | Unique | — | — | 0.0 | — |
| 19093 | Philadelphia | Unique | — | — | 0.0 | — |
| 19171 | Philadelphia | Unique | — | — | 0.0 | — |
| 19179 | Philadelphia | Unique | — | — | 0.0 | — |
| 19194 | Philadelphia | Unique | — | — | 0.0 | — |
| 19172 | Philadelphia | Unique | — | — | 0.0 | — |
| 19160 | Philadelphia | PO Box | — | — | 0.0 | — |
| 19255 | Philadelphia | Unique | — | — | 0.0 | — |
| 19244 | Philadelphia | Unique | — | — | 0.0 | — |
| 19155 | Philadelphia | PO Box | — | — | 0.0 | — |