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Riverhead, NY

Last updated
Key Indicators
A quick look at key numbers

Population

35,980
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

52.1
years ∙ half population younger than 52.1, half older

Diversity Index

Low High
49%
chance two random people differ in race and ethnicity

Nativity

16.2%
foreign-born population
83.8%Native
16.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Riverhead is a town in Suffolk County, New York, United States.
Location
Town in Suffolk County, NY, US
Co-ordinates
DEC40.974041° N, 72.714717° W
DMS40° 58′ 26.55″ N, 72° 42′ 52.98″ W

Population Density & area

533.8/sq mi (206.1/km²)
Total Area
201.3 sq mi (521.3 km²)
Land Area
67.4 sq mi (174.6 km²) · 33.5%
Water Area
133.9 sq mi (346.7 km²) · 66.5%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

50.5% male
Male 50.5%
Female 49.5%
males per 100 females
Riverhead 102.1
Suffolk County 98.4
New York 95.5

Nativity

16.2%
foreign-born population
83.8%Native
16.2% Foreign-born
% Foreign-born
Riverhead 16.2%
Suffolk County 16.8%
New York 22.8%
Age Distribution
How the population is spread across age groups

Median Age

52.1
years ∙ half population younger than 52.1, half older
Riverhead
52.1
Suffolk County
41.7
New York
39.8

Dependency ratio

Low High
79.1
dependents per 100 working-age adults
Riverhead 79.1
Suffolk County 63.1
New York 62.3

AGE DISTRIBUTION

Distribution of age group
Median age
Riverhead Suffolk County New York
Age Group
Children (Under 18) 15.4% 20.8% 20.5%
Working age (18-64) 55.8% 61.3% 61.6%
Senior (65+) 28.8% 17.9% 17.9%
Dependency ratio
Total dependency ratio 79.1 63.1 62.3
Child dependency ratio 27.6 33.9 33.2
Old-age dependency ratio 51.6 29.2 29.1
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
68.3%
Black
6%
Asian
1.8%
Hispanic
19.5%
Other
4.4%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
49%
chance two random people differ in race and ethnicity
Riverhead 49%
Suffolk County 55.6%
New York 65.4%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Riverhead population
Racial and ethnic composition — Riverhead vs Suffolk County vs New York. Source: ACS 2020-2024 5-Year Estimates.
Riverhead Suffolk County New York
Hispanic or Latino 19.5% 22.8% 19.8%
Mexican 2.3% 1.5% 2.6%
Puerto Rican 0.3% 4.3% 5.1%
Cuban 0.2% 0.5% 0.4%
Other Hispanic / Latino 16.7% 16.5% 11.8%
Not Hispanic or Latino 80.5% 77.2% 80.2%
One race 77.4% 74.2% 76.4%
White 68.3% 62% 52.8%
Black or African American 6% 6.9% 13.4%
American Indian and Alaska Native 0.1% 0.1% 0.2%
Asian 1.8% 4.4% 9%
Native Hawaiian and Other Pacific Islander 0% 0% 0%
Some Other Race 1.2% 0.7% 1%
Two or more races (Multiracial) 3.1% 3% 3.8%
Household & Families Composition
Household size, type, and family structure

Household structure

66.2% family
Family 66.2%
Non family 33.8%
% family households
Riverhead 66.2%
Suffolk County 72.3%
New York 61.4%

Average household size

2.48
persons per household
Riverhead
2.48
Suffolk County
2.93
New York
2.49

Household & Family COMPOSITION

Households
Percentage of Riverhead population
Riverhead Suffolk County New York
Total households 14,202 512,565 7,722,646
Average houshold size 2.48 2.93 2.49
Family households 9,403 370,597 4,738,075
Average family size 3.04 3.42 3.16
Married couple family 7,314 287,663 3,279,487
Other families 2,089 82,934 1,458,588
Male householder 776 25,826 398,169
Female householder 1,313 57,108 1,060,419
Non-family households 4,799 141,968 2,984,571
One-person households 4,180 114,090 2,398,170
Male householder 1,566 47,069 1,045,868
Senior (65+) living alone 1,098 19,555 332,696
Female householder 2,614 67,021 1,352,302
Senior (65+) living alone 1,432 41,935 673,031
Other living arrangements 619 27,878 586,401

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

16,498
housing units
Riverhead 16,498
Suffolk County 580,772
New York 8,585,241

Occupancy status

86.1% occupied
Occupied 86.1%
Vacant 13.9%
vacancy rate
Riverhead 13.9%
Suffolk County 11.7%
New York 10%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

76.9%
Single family houses
Single family houses
76.9%
Apartments in multi-unit structures
9.2%
Mobile homes
14.1%
Boat, RV, van, etc
0%

Median Year Built

1985
Half of houses were built before 1985, and half after.
Historic ∙ 1939 or earlier
10.6%
Postwar & mid-century ∙ 1940 - 1969
26.1%
Late 20th century ∙ 1970 - 1999
37%
Modern ∙ 2000 or later
26.2%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Riverhead Suffolk County New York
Rooms per unit
Median rooms 5.8 6.4 5
1–3 rooms 12.2% 9% 24.3%
4–6 rooms 51.3% 43.8% 48.4%
7+ rooms 36.4% 47.2% 27.2%
Bedrooms
No bedroom / studio 2.1% 1.6% 5.4%
1 bedroom 7.7% 8% 19%
2 bedrooms 31.2% 17.1% 26.6%
3 bedrooms 35.9% 37.3% 31.1%
4+ bedrooms 23.2% 35.9% 17.9%
At a glance
Median year built 1985 1969 1959
Total housing units 16,498 580,772 8,585,241
Occupancy Profile
Who is inside and how they use it

Homeownership

79.8% owners
Renter-occupied 20.2%
Owner-occupied 79.8%
homeownership rate
Riverhead 79.8%
Suffolk County 82.2%
New York 54.3%

Average household size

2.39
Owner-occupied
2.82
Renter-occupied
owner-occupied average size
Riverhead 2.39
Suffolk County 3.02
New York 2.66

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Riverhead Suffolk County New York
Total occupied units 14,202 512,565 7,722,646
Year moved in
2020 or later 16.9% 15.5% 20.5%
2010 to 2019 36% 32.6% 36.5%
2000 to 2009 21.9% 20.2% 17.8%
1999 or earlier 25.1% 31.6% 25.2%
Occupants per room
1.00 or fewer 96.5% 97.2% 94.7%
1.01 to 1.50 2.2% 1.9% 3.1%
1.51 or more 1.4% 0.9% 2.2%
Vehicles availability
No vehicles 6.7% 5.1% 29.2%
1 vehicle 32.3% 27.1% 33.6%
2 vehicles 37.4% 39.1% 25.4%
3 or more vehicles 23.5% 28.8% 11.8%
House heating fuel used
Gas 41.5% 45.1% 64%
Electricity 7.3% 9.2% 15.4%
Solar 0% 0.3% 0.1%
Fuel oil, kerosene etc 48.5% 44% 16.1%
All other fuels 2.2% 1.2% 2.8%
No fuel used 0.6% 0.4% 1.6%
Selected characteristics
Lacking complete plumbing 0.4% 0.2% 0.4%
Lacking complete kitchen 0.2% 0.5% 0.8%
No telephone service available 0.3% 0.7% 0.9%
Housing Value
What owner-occupied units are worth

Median home value

$486,600
owner-occupied units
Median value(USD)
Riverhead
$486,600
Suffolk County
$578,400
New York
$423,800

Housing Cost Burden

46.4%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
46.4%
Owners without a mortgage
31.4%
Renters
56.3%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Riverhead Suffolk County New York
Property value
Median Value $486,600 $578,400 $423,800
Under $100,000 6.9% 2.9% 9.5%
$100,000 - $200,000 6.4% 1.9% 15%
$200,000 - $300,000 8% 3.6% 13.2%
$300,000 - $500,000 31.7% 29.4% 19.7%
$500,000 - $1,000,000 39.2% 51.4% 30.1%
$1,000,000 and more 7.8% 10.6% 12.6%
Owner-occupied households
With a mortgage 47.7% 62.4% 57.8%
Without a mortgage 52.3% 37.6% 42.2%
Median monthly owner costs
With a mortgage $2,944 $3,320 $2,555
Without a mortgage $1,364 $1,478 $958
Gross rent
Median rent $1,974 $2,255 $1,621

Education Profile

How educated is the community and how education pays off

Adults with a college degree

29.4%
of adults 25+ with a bachelor's degree or higher
Riverhead 29.4%
Suffolk County 40.2%
New York 40.2%

Adults without a high school diploma

12.1%
of adults (25+) without a high school diploma
Riverhead 12.1%
Suffolk County 9.6%
New York 12%
School Enrollment
Who is enrolled in school and at what level

School enrollment

6,085
population (age 3+) enrolled in school
Nursery / Preschool
4.8%
K–12
70.9%
College / Undergraduate
20.1%
Graduate / Professional
4.1%

College-going rate (18-24 yr olds)

40.3%
of 18-24-year-olds in college or graduate school
Riverhead
40.3%
Suffolk County
48.4%
New York
48.5%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Riverhead Suffolk County New York
Total enrolled (age 3+) 6,085 357,306 4,642,703
Nursery / preschool 4.8% 5.5% 6.1%
K–12 70.9% 66.2% 64.1%
Kindergarten 3.8% 4.5% 4.9%
Elementary: Grades 1–4 23.1% 18.2% 18.7%
Elementary: Grades 5–8 18.8% 21% 20.1%
High School: Grades 9–12 25.3% 22.5% 20.4%
College or graduate school 24.3% 28.4% 29.8%
College, undergraduate 20.1% 21.5% 22.5%
Graduate, professional school 4.1% 6.9% 7.3%
College-going rate · 18-24 yr olds 40.3% 48.4% 48.5%
School type
Public school 86.2% 85.1% 74.7%
Private school 13.8% 14.9% 25.3%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

27,628
population 25 years and over
Total adults (25+)
Less than 9th grade
7.5%
9th-12th, no diploma
4.6%
HS graduate
30.2%
Some college no degree
16.8%
Associates degree
11.5%
Bachelors degree
16.4%
Graduate or professional degree
13%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
% male · % female
Less than 9th grade
58.7% · 41.3%
9th-12th, no diploma
70.8% · 29.2%
HS graduate
50.7% · 49.3%
Some college no degree
53.6% · 46.4%
Associates degree
54.8% · 45.2%
Bachelors degree
45.7% · 54.3%
Graduate or professional degree
35.1% · 64.9%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Riverhead Suffolk County New York
Population (25+) 27,628 1,075,649 14,017,184
Less than 9th grade 7.5% 5.4% 6%
9th–12th, no diploma 4.6% 4.2% 6%
High school diploma or GED 30.2% 24.8% 24.3%
Some college, no degree 16.8% 15.9% 14.6%
Associate's degree 11.5% 9.5% 8.8%
Bachelor's degree or higher 29.4% 40.2% 40.2%
Bachelor's degree 16.4% 21.6% 22.4%
Graduate or professional 13% 18.6% 17.9%
High School or higher 87.9% 90.4% 88%
Earnings by education level
percentage as applicable

Median Earnings

$60,632
Median earnings for adults 25+, by level
Less than HS graduate
$53,826
HS graduate
$48,542
Some college or associates
$54,375
Bachelors degree
$80,049
Graduate or professional degree
$109,107

Poverty Rate

5.7%
for ages 25+, with bachelors degree or higher
Less than HS graduate
9.7%
HS graduate
10%
Some college or associates
8.6%
Bachelors degree or higher
5.7%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Riverhead Suffolk County New York
Median earnings
Population 25+, with earnings $60,632 $66,805 $57,966
Less than high school graduate $53,826 $41,300 $31,511
High school graduate (includes equivalency) $48,542 $48,316 $40,549
Some college or associate's degree $54,375 $60,250 $49,306
Bachelor's degree $80,049 $83,098 $76,052
Graduate or professional degree $109,107 $105,047 $95,435
Poverty rates
Less than high school graduate 9.7% 12.9% 28.1%
High school graduate (includes equivalency) 10% 9.6% 16.8%
Some college or associate's degree 8.6% 5% 11.4%
Bachelor's degree or higher 5.7% 3.2% 5.3%

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