| ZIP Code | 06870 |
|---|---|
| City | Old Greenwich |
| State | Connecticut (CT) |
| County | Western Connecticut County |
| Area Code | 203/475 |
| Elevation | 34 ft |
| Latitude | 41.024446 |
|---|---|
| Longitude | -73.57115 |
| Timezone | New York (DST) |
| FIPS | 09190 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.9 yrs ↓ 6% since 2019 |
|---|---|
| Avg Household Size | 2.89 |
| Below Poverty | 3.2% ▼ 68% below avg |
| College Grads | 85.6% ▲ 121% above avg |
| Unemployment | 4.2% ▼ 15% below avg |
| No HS Diploma | 17 (0.4%) |
| HS Graduate | 328 (7.2%) |
| Some College | 126 (2.7%) |
| Associates | 189 (4.1%) |
| Bachelors | 121 (2.6%) |
| Graduate Degree | 3,801 (83%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $227,727 ▲ 198% above avg ↑ 6% since 2019 |
|---|---|
| Median Home Value | $1,579,200 ▲ 466% above avg ↑ 9% since 2019 |
| Home/Income Ratio | 6.9x (nat avg ~3.5x) |
| Median Rent | $3,501/mo ↑ 61% since 2019 |
| Total Units | 2,897 |
| Vacant Units | 171 |
| Avg HH Size | 2.89 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 2,897 |
|---|---|
| Vacant | 171 |
| Owner Occupied | 82.2% |
| Renter Occupied | 17.8% |
| Avg HH Size | 2.89 |
ZIP code 06870 is located in Old Greenwich, Connecticut, within Western Connecticut County. With a population of 7,903, this is a lightly populated ZIP code with a middle-aged community — the median age is 39.9 years. Economically, 06870 is a affluent ZIP code: the median household income of $227,727 is more than double the national average.
Real estate in ZIP code 06870 represents among the most expensive housing markets in the country. The median home value of $1,579,200 is more than double the national average. Renters can expect to pay around $3,501 per month in median rent. Homeownership is strong here — 82.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 9% since 2019.
The population of 06870 is primarily White (74.96%). Residents are highly educated — 85.6% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 3.2%. Household income has grown by 6% since 2019.
The unemployment rate in 06870 stands at 4.2%, which is near the national average. A notably high share of workers — 33% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 44%.
Overall, ZIP code 06870 in Old Greenwich, CT is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 7,903 residents, a median household income of $227,727, and a median home value of $1,579,200, it offers a clear picture of life in this part of Connecticut.