ZIP code 12123
Where is ZIP code 12123?
Nassau, New York
Rensselaer County · Standard ZIP code
ZIP code 12123 belongs to Nassau, New York in Rensselaer County. 12123 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 518 and 838. About 4,457 people live in the 12123 area, where the median household income is $108,878. The closest ZIP codes are 12063 (East Schodack, 2.7 mi north), 12132 (North Chatham, 4 mi south) and 12115 (Malden Bridge, 4.1 mi southeast).
| ZIP code | 12123 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Nassau |
| State | New York (NY) |
| County | Rensselaer County |
| Time zone | Eastern Time · now |
| Area codes | 518, 838 |
| Coordinates | 42.5271, -73.6118 map |
| 3-digit prefix | 121 |
Population and income in 12123
| Population | 4,457 · higher than 57% of New York ZIP codes |
|---|---|
| People per square mile | 140 · lower than 54% of New York ZIP codes |
| Median age | 43.4 years · lower than 51% of New York ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $108,878 · higher than 75% of New York ZIP codes |
| Income per person | $59,099 |
| Below the poverty line | 9.0% |
| Bachelor’s degree or higher | 37% of adults 25+ |
| Median home value | $297,000 · higher than 57% of New York ZIP codes |
| Median rent | $1,023 a month |
| Housing units | 2,203 |
| Households | 1,964 (2.27 people on average) |
| Owners / renters | 83% / 18% |
| Land area | 31.77 sq mi (plus 0.47 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 12123. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 12123
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 12063 | East Schodack, NY | 2.7 mi N | Standard |
| 12132 | North Chatham, NY | 4 mi S | PO Box only |
| 12115 | Malden Bridge, NY | 4.1 mi SE | Standard |
| 12033 | Castleton On Hudson, NY | 4.9 mi W | Standard |
| 12024 | Brainard, NY | 5.6 mi SE | Standard |
| 12062 | East Nassau, NY | 5.8 mi E | Standard |
| 12061 | East Greenbush, NY | 5.9 mi NW | Standard |
| 12130 | Niverville, NY | 6.6 mi SW | Standard |
| 12136 | Old Chatham, NY | 7 mi SE | Standard |
| 12184 | Valatie, NY | 7.2 mi SW | Standard |
| 12156 | Schodack Landing, NY | 7.6 mi SW | Standard |
| 12196 | West Sand Lake, NY | 7.7 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 12123 or measure the distance to another ZIP code.
How to address mail to 12123
123 MAIN ST
NASSAU NY 12123
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (12123-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 12123?
- 12123 is a Nassau, New York ZIP code.
- What county is 12123 in?
- ZIP code 12123 is in Rensselaer County, New York.
- What time zone is ZIP code 12123 in?
- 12123 is in the Eastern Time zone (America/New_York).
- What area code is 12123?
- Phone numbers in ZIP code 12123 use area codes 518 and 838.
- What is the population of ZIP code 12123?
- About 4,457 people live in ZIP code 12123, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 12123?
- The median household income in 12123 is $108,878 a year, higher than 75% of New York ZIP codes.
- What ZIP codes are near 12123?
- The nearest ZIP codes to 12123 are 12063 (East Schodack, 2.7 miles), 12132 (North Chatham, 4 miles), 12115 (Malden Bridge, 4.1 miles) and 12033 (Castleton On Hudson, 4.9 miles).