ZIP Code 12123
standardSource:
Nassau · Rensselaer County · New York
- Population
- 5,124
- Median income
- $108,878
- Median home value
- $297,000
- Bachelor's or higher
- 36.9%
- Land area
- 84.6 sq mi
61/sq mi
▲ 43% vs US
higher than 86% of US ZIPs
▲ 7% vs US
higher than 66% of US ZIPs
Median age 43.4
New York
ZIP code 12123 in Nassau, New York has a population of 5,124. The median household income is $108,878, which is 43% above the national average. Median home value is $297,000, 7% above the US average. 36.9% of residents hold a bachelor's degree or higher.
ZIP code 12123 is classified by USPS as a standard delivery area and covers roughly 84.6 square miles in Nassau, Rensselaer County, New York. The area is home to 5,124 residents, producing a population density of 61 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 12123 against New York and the nation.
On the economic side, the median household income for ZIP 12123 sits at $108,878 (18% above the New York average), while per-capita income is $59,099. The poverty rate stands at 9.0% and the unemployment rate at 2.2%. On housing, the median home value is $297,000 (21% below the state average) with median rent at $1,023 per month, and 82.5% of occupied units are owner-occupied, a direct signal of whether 12123 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 36.9% of adults hold a bachelor's degree or higher, the median age is 43.4, and the average commute is 26 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rensselaer County, so you can benchmark 12123 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 12123
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 12123.
- Construction
Construction
17 establishments
- Other services (except public administration)
Other services (except public administration)
14 establishments
- Retail trade
Retail trade
11 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
11 establishments
- Professional, scientific, and technical services 6
Professional, scientific, and technical services
6 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 12123, Nassau, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
5,124
Population
84.6
Area (sq mi)
61
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 12123?
43.4
Median Age
50.3%
Male
49.7%
Female
2.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$108,878
Median Household Income
+18% vs state
$59,099
Per Capita Income
9.0%
Poverty Rate
2.2%
Unemployment Rate
25.6 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
2,203
Total Housing Units
1,964
Occupied Units
239
Vacant Units
2.27
Avg Household Size
Occupancy Type
$297,000
Median Home Value
-21% vs state
$1,023
Median Rent
1968
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+9.5%
YoY Change (2024)
225
HPI Index (2000 = 100)
+125%
Total Change Since 2000
Home values in ZIP 12123 have increased 9.5% over the past year (2024). Since 2000, this ZIP has seen +125% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.9% | 173 |
| 2021 | +11.9% | 193 |
| 2022 | +10.8% | 214 |
| 2023 | -4.1% | 205 |
| 2024 | +9.5% | 225 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 83 business establishments in ZIP 12123, employing approximately 334 people with a combined annual payroll of $16,997,000.
83
Businesses
334
Employees
$17.0M
Annual Payroll
9
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 17 | 20.5% |
| Other services (except public administration) | 14 | 16.9% |
| Retail trade | 11 | 13.3% |
| Administrative and support and waste management and remediation services | 11 | 13.3% |
| Professional, scientific, and technical services | 6 | 7.2% |
| Accommodation and food services | 5 | 6.0% |
| Information | 4 | 4.8% |
| Health care and social assistance | 4 | 4.8% |
| Manufacturing | 3 | 3.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 12123 vs 12063 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 12063 | East Schodack, NY | 444 | 3.3 mi |
| 12132 | North Chatham, NY | 338 | 3.8 mi |
| 12115 | Malden Bridge, NY | 189 | 3.7 mi |
| 12062 | East Nassau, NY | 1,776 | 5.1 mi |
| 12033 | Castleton On Hudson, NY | 7,851 | 5.2 mi |
| 12196 | West Sand Lake, NY | 3,031 | 7.5 mi |
| 12024 | Brainard, NY | 31 | 5.0 mi |
| 12061 | East Greenbush, NY | 9,050 | 5.7 mi |
| 12130 | Niverville, NY | 987 | 6.2 mi |
| 12136 | Old Chatham, NY | 804 | 6.5 mi |
More ZIP Codes in Rensselaer County
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Frequently Asked Questions
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How many businesses are in ZIP code 12123? ▼
What are the main industries in ZIP code 12123? ▼
How have home values changed in ZIP code 12123? ▼
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What percentage of residents own vs. rent in ZIP 12123? ▼
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ZIP Code Research Guides
Official Data Resources for Nassau, NY
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.