US ZIP Code
12123

Nassau, NY

Rensselaer County  ·  New York

● Active
👥 4,853 Population ↓ 10% since 2019
💰 $104,438 Median HH Income
▲ 37% above avg ↑ 12% since 2019
🎂 41.6 Median Age ↓ 5% since 2019
🏠 $275,000 Median Home Value
≈ Avg ↑ 35% since 2019
🎓 54.8% College Grads
▲ 41% above avg
📊 4.0% Unemployment
▼ 19% below avg ↑ 51% since 2019
ZIP Code Details
ZIP Code12123
CityNassau
StateNew York (NY)
CountyRensselaer County
Area Code518/838
Elevation553 ft
Latitude42.52214
Longitude-73.606447
TimezoneNew York (DST)
FIPS36083
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.1% (2,429) Female 50.0% (2,424) ♀

Race & Ethnicity

White: 89.5%Hispanic: 4.1%Black: 0.3%Asian: 0.3%Other: 5.3%Race
White89.5%
Hispanic4.1%
Black0.3%
Asian0.3%
Other5.3%

Age Breakdown

Under 5
8%
5–17
14%
18–24
7%
25–44
29%
45–64
24%
65+
10%

Key Indicators

Median Age41.6 yrs ↓ 5% since 2019
Avg Household Size2.34
Below Poverty7.2% ▼ 28% below avg
College Grads54.8% ▲ 41% above avg
Unemployment4.0% ▼ 19% below avg
No HS Diploma50 (1.5%)
HS Graduate916 (27%)
Some College262 (7.7%)
Associates306 (9%)
Bachelors504 (14.8%)
Graduate Degree1,357 (40%)

Education

No HS: 1.5%HS Grad: 27%Some College: 7.7%Associates: 9%Bachelors: 14.8%Graduate: 40%Edu
No HS1.5%
HS Grad27.0%
Some College7.7%
Associates9.0%
Bachelors14.8%
Graduate40.0%
Housing & Income

Housing Tenure

Owner: 82.7%Renter: 17.3%Tenure
Owner82.7%
Renter17.3%

Home Value Distribution

Under $50k
7%
$50k–100k
2%
$100k–150k
4%
$150k–200k
15%
$200k–300k
31%
$300k–500k
31%
Over $500k
11%

Financials

Median HH Income$104,438 ▲ 37% above avg ↑ 12% since 2019
Median Home Value$275,000 ≈ Avg ↑ 35% since 2019
Home/Income Ratio2.6x (nat avg ~3.5x)
Median Rent$959/mo ↑ 24% since 2019
Total Units2,346
Vacant Units275
Avg HH Size2.34

Income Distribution

Under $25k
15%
$25k–50k
8%
$50k–75k
8%
$75k–100k
14%
$100k–150k
26%
$150k–200k
8%
Over $200k
20%
Employment & Commute

How People Get to Work

Drove Alone
86%
Public Transit
0%
Walked
1%
Work From Home
13%

Commute Time

Under 15 min
19%
15–30 min
48%
30–45 min
19%
Over 45 min
14%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
9%
1960s–1970s
15%
1980s–1990s
9%
2000+
62%

Summary

Total Units2,346
Vacant275
Owner Occupied82.7%
Renter Occupied17.3%
Avg HH Size2.34
Frequently Asked Questions
ZIP code 12123 is in Nassau, NY, in Rensselaer County.
ZIP code 12123 is located in New York (NY).
ZIP code 12123 is in Rensselaer County, NY.
ZIP 12123 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 12123 is 4,853 people (ACS 2023).
The median household income in ZIP code 12123 is $104,438 (ACS 2023).
The median home value in ZIP 12123 is $275,000 (ACS 2023).
About ZIP Code 12123

ZIP code 12123 is located in Nassau, New York, within Rensselaer County. With a population of 4,853, this is a lightly populated ZIP code with a middle-aged community — the median age is 41.6 years. Economically, 12123 is a upper-middle-income ZIP code: the median household income of $104,438 is above the national average.

Real estate in ZIP code 12123 represents a mid-range housing market. The median home value of $275,000 is near the national average. Renters can expect to pay around $959 per month in median rent. Homeownership is strong here — 82.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 35% since 2019.

The population of 12123 is primarily White (89.47%). Residents are well-educated — 54.8% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 7.2%. Household income has grown by 12% since 2019.

The unemployment rate in 12123 stands at 4.0%, which is below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 79%.

Overall, ZIP code 12123 in Nassau, NY is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 4,853 residents, a median household income of $104,438, and a median home value of $275,000, it offers a clear picture of life in this part of New York.