| ZIP Codes: | 87 ZIP Codes (60 Standard, 13 PO Box, 14 Unique) [See All] |
| Area Codes: | 585 / 624 / 716 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:14 PM |
| Population: | 948,221 [See All] |
| FIPS: | 36029 |
| CBSA: | Buffalo-Cheektowaga, NY |
| Land Area: | 1,036 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 42.8334, -78.7813 |
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948,221 residents live across 87 ZIPs covering 1,036 sq mi, served by 43 distinct USPS-recognized cities.
Population moved from 917,925 to 947,155 from 2014 to 2024 — a +3.2% change. 33 ZIPs gained residents, 31 lost (and 1 held flat).
The county's wealthiest ZIP 14032 (Clarence Center, $168,711 median) and poorest ZIP 14204 (Buffalo, $28,182) are 16.2 miles apart — a 6.0× income gap across local geography.
Median home values vary 4.9× across this county — from $103,400 in 14212 (Buffalo) to $502,100 in 14032 (Clarence Center).
Density varies 291× across the county — from 45 people/sq mi in 14055 (East Concord) to 13,144 in 14222 (Buffalo).
Educational attainment ranges from 13.0% bachelor's+ in 14034 (Collins) to 65.6% in 14051 (East Amherst) — the breadth of educational profiles across the area.
Within New York, this is the #8 most populous of 62 counties and ranks #30 for median household income .
On the national stage, Erie County is the #58 most populous US county .
Hosts 4 single-entity Unique ZIPs: 14261University At Buffalo ; 14260University At Buffalo ; 14241Usps Buffalo Amf ; and 14263Roswell Park Memorial Instit .
Weighted by population, the typical household earns about $77,259 across the county — reflecting what a typical resident sees, not a simple ZIP average.
38.1% of adults age 25+ hold a bachelor's degree or higher (256,285 of 672,588 reporting). The most-educated ZIPs cluster around Buffalo.
60 Standard delivery, 13 PO Box only, 14 single-entity Unique ZIPs serve this county.
3 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
14 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 6.0× 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 |
|---|---|---|---|---|---|---|
| 14221 | Buffalo | Standard | 55,255 | $101,615 | 23.6 | 2.1% |
| 14075 | Hamburg | Standard | 44,520 | $83,383 | 39.8 | 3.9% |
| 14215 | Buffalo | Standard | 42,524 | $44,955 | 4.7 | 6.9% |
| 14150 | Tonawanda | Standard | 41,260 | $71,406 | 17.1 | -1.5% |
| 14224 | Buffalo | Standard | 41,219 | $80,052 | 20.7 | 3.0% |
| 14086 | Lancaster | Standard | 35,635 | $99,499 | 33.0 | 10.8% |
| 14225 | Buffalo | Standard | 33,620 | $67,237 | 11.6 | 1.2% |
| 14127 | Orchard Park | Standard | 31,543 | $109,386 | 40.7 | 4.0% |
| 14226 | Buffalo | Standard | 29,159 | $84,325 | 6.9 | 2.0% |
| 14207 | Buffalo | Standard | 26,327 | $39,753 | 4.5 | 13.1% |
| 14228 | Buffalo | Standard | 25,350 | $74,871 | 15.9 | 15.8% |
| 14043 | Depew | Standard | 25,098 | $74,112 | 9.1 | 3.4% |
| 14211 | Buffalo | Standard | 24,663 | $36,300 | 3.9 | 18.1% |
| 14220 | Buffalo | Standard | 24,428 | $70,963 | 4.3 | -0.4% |
| 14213 | Buffalo | Standard | 24,107 | $53,870 | 2.3 | 2.7% |
| 14216 | Buffalo | Standard | 22,849 | $69,629 | 2.7 | 2.9% |
| 14223 | Buffalo | Standard | 22,611 | $84,161 | 3.5 | -1.3% |
| 14217 | Buffalo | Standard | 22,471 | $73,800 | 3.0 | -1.9% |
| 14206 | Buffalo | Standard | 21,631 | $50,450 | 4.9 | -0.2% |
| 14072 | Grand Island | Standard | 21,488 | $115,991 | 33.1 | 4.4% |
| 14214 | Buffalo | Standard | 21,314 | $58,228 | 3.5 | 8.0% |
| 14227 | Buffalo | Standard | 20,621 | $68,928 | 8.4 | -10.1% |
| 14218 | Buffalo | Standard | 20,312 | $54,748 | 7.8 | 7.2% |
| 14051 | East Amherst | Standard | 19,739 | $135,663 | 15.6 | -2.0% |
| 14052 | East Aurora | Standard | 17,514 | $99,970 | 60.3 | 2.6% |
| 14210 | Buffalo | Standard | 15,563 | $54,197 | 3.4 | 12.9% |
| 14222 | Buffalo | Standard | 15,311 | $81,652 | 1.2 | 5.5% |
| 14212 | Buffalo | Standard | 13,299 | $44,020 | 2.1 | 21.2% |
| 14208 | Buffalo | Standard | 12,572 | $48,476 | 1.1 | 15.1% |
| 14201 | Buffalo | Standard | 12,369 | $40,512 | 0.9 | -3.9% |
| 14004 | Alden | Standard | 11,396 | $90,839 | 50.3 | -7.2% |
| 14219 | Buffalo | Standard | 10,652 | $78,569 | 6.9 | -2.4% |
| 14032 | Clarence Center | Standard | 10,222 | $168,711 | 23.7 | 30.2% |
| 14031 | Clarence | Standard | 9,885 | $103,750 | 19.4 | 1.8% |
| 14006 | Angola | Standard | 9,260 | $65,972 | 28.9 | -3.7% |
| 14059 | Elma | Standard | 9,138 | $113,555 | 27.1 | -7.1% |
| 14001 | Akron | Standard | 8,937 | $75,107 | 62.5 | -8.7% |
| 14068 | Getzville | Standard | 8,636 | $98,750 | 3.6 | 21.1% |
| 14085 | Lake View | Standard | 8,531 | $129,563 | 7.4 | 19.0% |
| 14209 | Buffalo | Standard | 8,313 | $50,046 | 1.1 | -3.3% |
| 14057 | Eden | Standard | 7,972 | $92,410 | 46.4 | -3.3% |
| 14204 | Buffalo | Standard | 7,932 | $28,182 | 1.7 | -10.9% |
| 14141 | Springville | Standard | 7,603 | $80,906 | 72.0 | -1.1% |
| 14047 | Derby | Standard | 6,013 | $78,816 | 13.4 | -8.8% |
| 14261 | Buffalo | Unique | 5,033 | — | 0.7 | -11.4% |
| 14080 | Holland | Standard | 4,444 | $76,786 | 52.2 | -0.5% |
| 14202 | Buffalo | Standard | 3,862 | $56,528 | 0.9 | 8.2% |
| 14025 | Boston | Standard | 3,243 | $115,188 | 21.2 | 1.0% |
| 14111 | North Collins | Standard | 3,186 | $90,700 | 35.6 | -7.8% |
| 14203 | Buffalo | Standard | 2,424 | $56,141 | 2.7 | 38.4% |
| 14170 | West Falls | Standard | 2,292 | $116,746 | 13.6 | -3.3% |
| 14139 | South Wales | Standard | 2,113 | $86,402 | 24.5 | 4.2% |
| 14034 | Collins | Standard | 2,086 | $62,412 | 24.8 | -34.9% |
| 14030 | Chaffee | Standard | 2,067 | $78,182 | 22.2 | 17.0% |
| 14102 | Marilla | Standard | 1,856 | $119,327 | 3.5 | 24.2% |
| 14033 | Colden | Standard | 1,539 | $87,431 | 17.4 | -31.7% |
| 14055 | East Concord | Standard | 1,418 | $51,089 | 31.4 | -2.9% |
| 14091 | Lawtons | Standard | 1,316 | $82,833 | 22.3 | 22.1% |
| 14260 | Buffalo | Unique | 924 | — | 0.5 | — |
| 14026 | Bowmansville | Standard | 617 | $88,750 | 0.9 | -13.3% |
| 14069 | Glenwood | Standard | 443 | $85,469 | 7.5 | -40.0% |
| 14035 | Collins Center | PO Box | 152 | $91,250 | 0.0 | -9.0% |
| 14027 | Brant | PO Box | 142 | — | 0.0 | — |
| 14061 | Farnham | PO Box | 93 | $111,250 | 0.0 | -71.6% |
| 14169 | Wales Center | PO Box | 77 | $61,782 | 0.1 | -75.9% |
| 14134 | Sardinia | Standard | 32 | — | 0.5 | -71.2% |
| 14112 | North Evans | PO Box | 0 | — | 0.0 | — |
| 14010 | Athol Springs | PO Box | — | — | 0.0 | — |
| 14140 | Spring Brook | PO Box | — | — | 0.0 | — |
| 14110 | North Boston | PO Box | — | — | 0.0 | — |
| 14038 | Crittenden | PO Box | — | — | 0.0 | — |
| 14231 | Buffalo | PO Box | — | — | 0.0 | — |
| 14151 | Tonawanda | PO Box | — | — | 0.0 | — |
| 14241 | Buffalo | Unique | — | — | 0.0 | — |
| 14205 | Buffalo | PO Box | — | — | 0.0 | — |
| 14263 | Buffalo | Unique | — | — | 0.0 | — |
| 14240 | Buffalo | PO Box | — | — | 0.0 | — |
| 14273 | Buffalo | Unique | — | — | 0.0 | — |
| 14270 | Buffalo | Unique | — | — | 0.0 | — |
| 14265 | Buffalo | Unique | — | — | 0.0 | — |
| 14280 | Buffalo | Unique | — | — | 0.0 | — |
| 14276 | Buffalo | Unique | — | — | 0.0 | — |
| 14233 | Buffalo | Unique | — | — | 0.0 | — |
| 14269 | Buffalo | Unique | — | — | 0.0 | — |
| 14272 | Buffalo | Unique | — | — | 0.0 | — |
| 14264 | Buffalo | Unique | — | — | 0.0 | — |
| 14267 | Buffalo | Unique | — | — | 0.0 | — |