County ZIP codes · New York · FIPS 36063
Niagara County, NY ZIP Codes
Niagara County, New York has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 22 residential and 3 for PO boxes or a single organization. 20 of the residential ones lie mainly in Niagara County and 2 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $34,549 in 14301 (Niagara Falls) to $97,210 in 14132 (Sanborn) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Niagara County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $72,218 and $85,909.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 22 residential ZIP codes in Niagara County
20 ZIP codes lie mainly in Niagara County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 14094 | Lockport | 50,153 | 412 | $75k | $197k | 100% |
| 14120 | North Tonawanda | 44,241 | 1,356 | $75k | $223k | 100% |
| 14304 | Niagara Falls | 29,208 | 1,356 | $67k | $164k | 100% |
| 14305 | Niagara Falls | 16,696 | 2,132 | $51k | $126k | 100% |
| 14301 | Niagara Falls | 10,923 | 5,282 | $35k | $84k | 100% |
| 14092 | Lewiston | 10,247 | 483 | $72k | $280k | 100% |
| 14132 | Sanborn | 6,453 | 225 | $97k | $285k | 100% |
| 14303 | Niagara Falls | 6,156 | 2,269 | $46k | $79k | 100% |
| 14108 | Newfane | 5,713 | 230 | $76k | $163k | 100% |
| 14174 | Youngstown | 5,669 | 244 | $80k | $250k | 100% |
| 14105 | Middleport | 5,313 | 103 | $92k | $168k | 72% |
| 14131 | Ransomville | 5,252 | 125 | $86k | $212k | 100% |
| 14067 | Gasport | 3,976 | 81 | $96k | $185k | 100% |
| 14172 | Wilson | 3,091 | 117 | $81k | $196k | 100% |
| 14012 | Barker | 2,911 | 87 | $72k | $173k | 96% |
| 14109 | Niagara University | 1,473 | 6,377 | – | – | 100% |
| 14008 | Appleton | 1,423 | 57 | $78k | $189k | 100% |
| 14028 | Burt | 1,257 | 91 | $89k | $199k | 100% |
| 14302 | Niagara Falls | 189 | 13,500 | – | – | 100% |
| 14126 | Olcott | 109 | 164 | $168k | $430k | 100% |
Partly in Niagara County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
4 ZIP codes of Niagara County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Niagara | Elsewhere |
|---|---|---|
| 14001 | 13% | Erie County 79%; Genesee County 8% |
| 14105 | 72% | Orleans County 19%; Genesee County 9% |
| 14012 | 96% | Orleans County 4% |
| 14098 | 2% | Orleans County 98% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 14095 | Lockport |
| 14107 | Model City |
| 14144 | Stella Niagara |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Niagara County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Niagara County's ZIP codes use 3 prefixes: 140, 141 and 143.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 140 | Buffalo, NY (SCF 140) | 9 | 65 |
| 141 | Buffalo, NY (SCF 140) | 11 | 41 |
| 143 | Buffalo, NY (SCF 140) | 5 | 5 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.