| ZIP Codes: | 23 ZIP Codes (18 Standard, 5 PO Box, 0 Unique) [See All] |
| Area Codes: | 585 / 624 / 716 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:16 PM |
| Population: | 210,453 [See All] |
| FIPS: | 36063 |
| CBSA: | Buffalo-Cheektowaga, NY |
| Land Area: | 540 sq mi |
| Water Area: | 16 sq mi |
| Coordinates: | 43.1936, -78.8423 |
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210,453 residents live across 23 ZIPs covering 540 sq mi, served by 18 distinct USPS-recognized cities.
Population moved from 214,585 to 210,453 from 2014 to 2024 — a -1.9% change. 9 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 14132 (Sanborn, $97,210 median) and poorest ZIP 14301 (Niagara Falls, $34,549) are 9.4 miles apart — a 2.8× income gap across local geography.
Median home values vary 3.6× across this county — from $79,400 in 14303 (Niagara Falls) to $284,900 in 14132 (Sanborn).
Density varies 266× across the county — from 57 people/sq mi in 14008 (Appleton) to 15,248 in 14109 (Niagara University).
Educational attainment ranges from 13.6% bachelor's+ in 14303 (Niagara Falls) to 43.7% in 14092 (Lewiston) — the breadth of educational profiles across the area.
Within New York, this is the #18 most populous of 62 counties and ranks #31 for median household income .
Weighted by population, the typical household earns about $71,038 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.0% of adults age 25+ hold a bachelor's degree or higher (42,541 of 152,191 reporting).
18 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 14094 | Lockport | Standard | 50,153 | $75,427 | 122.3 | -0.9% |
| 14120 | North Tonawanda | Standard | 44,241 | $74,871 | 33.7 | -1.2% |
| 14304 | Niagara Falls | Standard | 29,208 | $66,660 | 24.0 | 2.1% |
| 14305 | Niagara Falls | Standard | 16,696 | $51,004 | 9.6 | -3.2% |
| 14301 | Niagara Falls | Standard | 10,923 | $34,549 | 2.1 | -15.8% |
| 14092 | Lewiston | Standard | 10,247 | $72,218 | 23.3 | -11.6% |
| 14132 | Sanborn | Standard | 6,453 | $97,210 | 28.8 | -6.9% |
| 14303 | Niagara Falls | Standard | 6,156 | $45,646 | 3.5 | 1.4% |
| 14108 | Newfane | Standard | 5,713 | $76,345 | 24.4 | 0.5% |
| 14174 | Youngstown | Standard | 5,669 | $79,695 | 23.1 | -0.2% |
| 14105 | Middleport | Standard | 5,313 | $92,405 | 53.5 | 25.1% |
| 14131 | Ransomville | Standard | 5,252 | $85,909 | 43.5 | 8.8% |
| 14067 | Gasport | Standard | 3,976 | $95,671 | 49.3 | -27.1% |
| 14172 | Wilson | Standard | 3,091 | $81,330 | 25.9 | -0.4% |
| 14012 | Barker | Standard | 2,911 | $72,083 | 33.6 | 15.7% |
| 14109 | Niagara University | PO Box | 1,473 | — | 0.1 | 81.2% |
| 14008 | Appleton | Standard | 1,423 | $77,702 | 24.8 | 9.9% |
| 14028 | Burt | Standard | 1,257 | $89,188 | 14.3 | -11.7% |
| 14302 | Niagara Falls | PO Box | 189 | — | 0.0 | 656.0% |
| 14126 | Olcott | PO Box | 109 | $167,723 | 0.7 | -84.1% |
| 14095 | Lockport | PO Box | — | — | 0.0 | — |
| 14144 | Stella Niagara | Standard | — | — | 0.0 | — |
| 14107 | Model City | PO Box | — | — | 0.0 | — |