Weather right now
Asking the National Weather Service…
Where 06878 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 06878 into a pocket calculator and turn it upside down: BLBgO — not quite a word, sorry.
- ➕ As a number, 6,878 = 2 × 19 × 181. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101011011110 - 🏠 Its numerical neighbours: 06877 (Ridgefield, CT, 20 mi away) and 06879 (Ridgefield, CT, 18 mi away).
- 🔄 Backwards, 06878 becomes 87860, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (08867, 08876, 67880, 68780, 68870, 76088, …). The farthest-flung twin is 87068 in Bosque Farms, NM, 1,839 miles away.
- 🧭 Farther north than 67% of all ZIP codes, and farther east than 92%.
- 🎯1,313 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06878 and you would come out at 41.03°S, 106.42°E — 817 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
- 📏 At 2.4 square miles of land, 06878 is bigger than 13% of ZIP codes — room for about 1.8 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,328This ZIP8,328 |
|---|---|
| Households | 2,686This ZIP2,686 |
| Housing units | 2,787This ZIP2,787 |
| Median age | 41.8This ZIP41.8Connecticut41.1US 38.9 |
| Median household income | $250,000+This ZIP$250,000+Connecticut$95,781US $80,734 |
| Median home value | $1,968,800This ZIP$1,968,800Connecticut$366,900US $332,700 |
| Median gross rent | $3,500+This ZIP$3,500+Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 78.8%This ZIP78.8% |
| Mean commute | 36.3 minThis ZIP36.3 min |
| Population density | 3,444.2 / sq miThis ZIP3,444.2 / sq mi |
Business and tax activity
| Business establishments | 193This ZIP193 |
|---|---|
| Employees | 2,418This ZIP2,418 |
| Annual payroll | $222,491,000This ZIP$222,491,000 |
| Tax returns filed | 3,770This ZIP3,770 |
| Total adjusted gross income | $2,982,926,000This ZIP$2,982,926,000 |
Land area
| Land area | 2.42 sq miThis ZIP2.42 sq mi |
|---|---|
| Water area | 0.81 sq miThis ZIP0.81 sq mi |
Other place names in 06878
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06878
| ZIP | City | Distance |
|---|---|---|
06870 | Old Greenwich, CT | 0.8 mi |
06910 | Stamford, CT | 1.4 mi |
06807 | Cos Cob, CT | 1.9 mi |
06830 | Greenwich, CT | 2.2 mi |
06836 | Greenwich, CT | 2.3 mi |
06926 | Stamford, CT | 2.5 mi |
06921 | Stamford, CT | 2.7 mi |
06904 | Stamford, CT | 2.8 mi |
06911 | Stamford, CT | 2.8 mi |
06912 | Stamford, CT | 2.8 mi |
Find every ZIP code within 10 miles of 06878 →
Questions about this ZIP code
Where is ZIP code 06878?
06878 is in Riverside, Connecticut, in Fairfield County. Its published point location is 41.0301, -73.5837.
What county is 06878 in?
06878 lies in Fairfield County.
What area code is 06878?
Riverside uses area codes 203 and 475, from NANPA's telephone records.
What time zone is 06878 in?
06878 uses America/New_York.
How many people live in 06878?
About 8,328 people live in ZIP code 06878, in 2,686 households, at 3,444.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 06878?
$250,000+ a year, against $95,781 across Connecticut.
What ZIP codes are near 06878?
The closest are 06870 (0.8 mi), 06910 (1.4 mi), 06807 (1.9 mi), 06830 (2.2 mi) and 06836 (2.3 mi).
Is 06878 a PO Box ZIP code?
06878 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06878 ZIP Code — Riverside, Connecticut (Fairfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06878
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06878.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.