06878 ZIP Code — Riverside, CT

Fairfield County, Connecticut

ZIP code 06878 is located in Riverside, Connecticut, within Fairfield County. It covers approximately 2.42 square miles and serves a population of 8,303 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 203.

About ZIP code 06878

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $1,704,500. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($250,001) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 31% of workers work from home.

Educational attainment is high — 81% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 06878 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

8,303

population

2.42

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

06878 ZIP code map

Cities in ZIP code 06878

Below are the cities the US Postal Service accepts for ZIP code 06878. Using any city not on this list may result in mail delivery delays.

City	Status
Riverside	Preferred

Nearby ZIP codes

06870 Old Greenwich (0.7 mi) 06910 Stamford (1.6 mi) 06807 Cos Cob (1.7 mi) 06830 Greenwich (2.3 mi) 06926 Stamford (2.5 mi) 06927 Stamford (2.5 mi) 06913 Stamford (2.5 mi) 06914 Stamford (2.5 mi) 06902 Stamford (2.6 mi) 06901 Stamford (2.6 mi) 06906 Stamford (4 mi) 06905 Stamford (4 mi)

Demographics updated 05/2026

Population
Total population	8,303
Population density	3,431 / sq mi
State FIPS	09
County FIPS	001

Geography
Land area	2.42 sq mi
Water area	0.81 sq mi
Latitude	41.0360
Longitude	-73.5822
Timezone	Eastern (ET)
Area code	203

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.4%	27.3%	32.0%
$50k – $100k	15.0%	23.7%	27.7%
$100k – $200k	17.0%	26.8%	27.1%
Over $200k	57.6%	22.2%	13.2%

Demographics & statistics

8,303

Population

3,431

People per sq mi

41.9

Median age

$250,001

Median household income

$136,155

Per capita income

$1,704,500

Median home value

$1,929

Median monthly rent

84.1%

Home ownership

3.4%

Poverty rate

6.3%

Unemployment

2,333

Housing units

80.7%

Bachelor's or higher

Age distribution

Male Female

224

Under 5

249

334

5–9

371

394

10–14

438

407

15–19

453

157

20–24

174

246

25–34

274

444

35–44

493

673

45–54

748

326

55–59

363

196

60–64

217

298

65–74

332

181

75–84

202

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,698	32.5%
18 and over	5,605	67.5%
65 and over	1,122	13.5%
Median age	41.9 years

Race & ethnicity

White 63.9%

Asian 13.8%

Hispanic or Latino 8.8%

Two or more races 8.5%

Black or African American 3%

Other race 1.9%

American Indian / Alaska Native 0.2%

Group	Count	%
White	5,812	63.9%
Asian	1,254	13.8%
Hispanic or Latino	799	8.8%
Two or more races	771	8.5%
Black or African American	272	3%
Other race	176	1.9%
American Indian / Alaska Native	18	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.4%	27.3%	32.0%
$50k – $100k	15.0%	23.7%	27.7%
$100k – $200k	17.0%	26.8%	27.1%
Over $200k	57.6%	22.2%	13.2%

Under $10k 1.9%

$10k–$15k 0.3%

$15k–$25k 1.2%

$25k–$35k 0.5%

$35k–$50k 4.5%

$50k–$75k 5.0%

$75k–$100k 3.1%

$100k–$150k 9.7%

$150k–$200k 4.2%

$200k+ 69.5%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.3%
$15k–$25k	1.2%
$25k–$35k	0.5%
$35k–$50k	4.5%
$50k–$75k	5.0%
$75k–$100k	3.1%
$100k–$150k	9.7%
$150k–$200k	4.2%
$200k+	69.5%
Median income	$250,001

Housing

Home values

Under $50k 0.5%

$100k–$150k 0.9%

$200k–$300k 1.0%

$300k–$500k 1.3%

$500k–$1M 15.8%

$1M+ 80.5%

Housing overview

Metric	Value
Median home value	$1,704,500
Median rent / month	$1,929
Owner occupied	84.1%
Renter occupied	15.9%
Vacant	4.6%
Single-family detached	85.4%
Large apartment buildings	1.8%
Mobile homes	0.4%
Median rooms	8.5
Avg household size (owned)	3.19

Year built

Era	%
2020 or later	0.9%
2010–2019	8.7%
2000–2009	13.6%
1990–1999	4.1%
1980–1989	4.2%
1970–1979	8.3%
1960–1969	14.5%
1950–1959	20.0%
1940–1949	9.2%
1939 or earlier	16.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	2.5%
2 bedrooms	10.8%
3 bedrooms	16.3%
4 bedrooms	33.1%
5+ bedrooms	37.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	21.4%
2 vehicles	49.5%
3 or more	27.5%

Heating fuel

Fuel type	%
Utility gas	80.0%
Electricity	10.1%
Propane / LP gas	0.7%
Fuel oil	8.1%

Households & families

Household type	Count	%
Married-couple family	1,918	73.1%
Cohabiting couple	93	3.5%
Male householder, no spouse	182	6.9%
Female householder, no spouse	430	16.4%
Households with children under 18	1,276	48.6%
Households with seniors (65+)	749	28.6%
Average household size	3.16

Marital status

Status	Male	Female
Never married	29.8%	28.3%
Married	64.3%	59.5%
Separated	0.5%	0.2%
Widowed	1.2%	5.3%
Divorced	4.2%	6.7%

Education

Less than 9th grade 2.4%

Some HS, no diploma 1.0%

HS graduate 4.7%

Some college, no degree 8.4%

Associate's degree 2.8%

Bachelor's degree 39.3%

Graduate / professional 41.4%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	80.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	238	8.1%
Kindergarten	165	5.6%
Elementary school	1,270	43.4%
High school	786	26.9%
College / grad school	467	16.0%

Employment

Industry of employment

Finance & real estate 29.5%

Education & healthcare 19.5%

Professional & management 15.0%

Information 8.2%

Construction 5.4%

Manufacturing 4.8%

Retail trade 4.8%

Arts, food & hospitality 4.6%

Wholesale trade 2.8%

Other services 2.7%

Transportation & utilities 1.7%

Public administration 0.9%

Occupation

Category	%
Management, business & arts	65.9%
Service	9.3%
Sales & office	20.6%
Natural resources & construction	2.9%
Production & transportation	1.4%

Employment type

Type	%
Private sector	85.5%
Government	4.5%
Self-employed	10.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	45.4%
Carpool	3.7%
Public transit	18.4%
Walk	0.9%
Work from home	31.1%
Other means	0.5%
Avg commute (minutes)	38.9

Poverty

All people 3.4%

Under 18 years 3.5%

18 and over 3.4%

Married-couple families 2.1%

Female-led households 7.0%

Income support

Source	% of households
Social Security	21.2%
Retirement income	18.1%
Supplemental Security	0.5%
Cash public assistance	1.4%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	20.1%
High blood pressure	27.2%
High cholesterol	32.9%
Diabetes	6.6%
Heart disease	5.0%
Stroke	2.1%
Asthma	8.0%
Arthritis	20.8%
Kidney disease	2.4%
Pulmonary disease	3.9%
Cancer	8.0%

Behavior / access	%
Smoking	7.2%
Binge drinking	15.1%
No physical activity	12.7%
Less than 7 hrs sleep	27.5%
Depression	15.7%
Fair or poor health	7.2%
Poor mental health	10.2%
Poor physical health	6.7%
No health insurance	6.5%
Visited doctor (checkup)	76.4%
Visited dentist	80.6%
Cholesterol screening	95.4%
Teeth loss	5.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	116	2.1%

Disability	%
Any disability	4.5%
Under 18	2.2%
18–64 years	2.0%
65 and over	20.2%

Health insurance coverage

Type	%
Private insurance	90.4%
Public insurance	18.0%
No insurance	1.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,830	94.3%
Spanish	757	9.7%
Other Indo-European	370	4.7%
Asian & Pacific Islander	125	1.6%
Other languages	246	3.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,854	70.5%
Born in same state	5,610	67.6%
Born in different state	2,092	25.2%
Foreign born	244	2.9%
Naturalized citizen	2,449	29.5%
Not a US citizen	1,137	46.4%

Ancestry

Ancestry	Count	%
Italian	853	10.3%
French	740	8.9%
English	228	2.7%
Arab	186	2.2%
Polish	64	0.8%

Ancestry	Count	%
German	32	0.4%
Norwegian	25	0.3%
Dutch	16	0.2%
Irish	7	0.1%

Technology access

Metric	% of households
Computer access	31.6%
Internet access	98.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 06878

What city is ZIP code 06878 in?

ZIP code 06878 is primarily assigned to Riverside, Connecticut.

What county is ZIP code 06878 in?

ZIP code 06878 falls within Fairfield County, Connecticut.

How educated is the population of ZIP code 06878?

81% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 06878 family-oriented?

33% of residents in ZIP code 06878 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 06878 mostly owner-occupied?

84% of occupied units in ZIP code 06878 are owner-occupied, well above the national average.

What is the median household income in ZIP code 06878?

The median household income in ZIP code 06878 is $250,001, above the national median of ~$75,000.

What timezone is ZIP code 06878 in?

ZIP code 06878 observes the EST timezone.