00966 ZIP Code — Guaynabo, PR

Guaynabo County, Puerto Rico

ZIP code 00966 is located in Guaynabo, Puerto Rico, within Guaynabo County. It covers approximately 2.52 square miles and serves a population of 16,451 residents. This is a standard ZIP code in the Atlantic (AT) — no DST timezone, served by area code 787/939.

About ZIP code 00966

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1970s, giving the area an established character. Median home value is $264,900. Owner-occupancy sits near the national average at 73%.

The gap between median ($51,732) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 20% of residents, above the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 26 minutes is near the national average.

Overall, ZIP code 00966 reflects a community defined by economic challenges above the national average and a significant Social Security-dependent population.

16,451

population

2.52

sq mi land

Standard

ZIP type

Atlantic (AT) — no DST

timezone

00966 ZIP code map

Cities in ZIP code 00966

Below are the cities the US Postal Service accepts for ZIP code 00966. Using any city not on this list may result in mail delivery delays.

City	Status
Guaynabo	Preferred
Guaynabo	Acceptable

Nearby ZIP codes

00968 Guaynabo (1.2 mi) 00921 San Juan (1.9 mi) 00920 San Juan (2.1 mi) 00965 Guaynabo (2.2 mi) 00927 San Juan (3 mi) 00918 San Juan (3.7 mi) 00907 San Juan (4.3 mi) 00909 San Juan (4.4 mi) 00925 San Juan (4.5 mi) 00969 Guaynabo (4.6 mi) 00917 San Juan (4.7 mi) 00971 Guaynabo (4.7 mi)

Demographics updated 05/2026

Population
Total population	16,451
Population density	6,528 / sq mi
State FIPS	72
County FIPS	061

Geography
Land area	2.52 sq mi
Water area	0.00 sq mi
Latitude	18.3978
Longitude	-66.1161
Timezone	Atlantic (AT) — no DST
Area code	787/939

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.5%	61.3%	80.8%
$50k – $100k	22.9%	21.6%	14.5%
$100k – $200k	16.8%	11.8%	3.8%
Over $200k	7.8%	5.3%	1.0%

Demographics & statistics

16,451

Population

6,528

People per sq mi

49.3

Median age

$51,732

Median household income

$35,728

Per capita income

$264,900

Median home value

$1,041

Median monthly rent

72.7%

Home ownership

19.5%

Poverty rate

10.4%

Unemployment

6,217

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

344

Under 5

393

237

5–9

272

464

10–14

531

361

15–19

414

451

20–24

516

888

25–34

1,016

806

35–44

922

920

45–54

1,052

582

55–59

665

480

60–64

549

1,154

65–74

1,321

650

75–84

744

335

85+

384

← Male

Female →

Age summary

Group	Count	%
Under 18	2,860	17.4%
18 and over	13,591	82.6%
65 and over	4,588	27.9%
Median age	49.3 years

Race & ethnicity

Hispanic or Latino 33.5%

White 28.6%

Two or more races 27.4%

Other race 7.8%

Black or African American 2.5%

Asian 0.2%

Group	Count	%
Hispanic or Latino	8,301	33.5%
White	7,083	28.6%
Two or more races	6,776	27.4%
Other race	1,929	7.8%
Black or African American	625	2.5%
Asian	38	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.5%	61.3%	80.8%
$50k – $100k	22.9%	21.6%	14.5%
$100k – $200k	16.8%	11.8%	3.8%
Over $200k	7.8%	5.3%	1.0%

Under $10k 7.9%

$10k–$15k 6.7%

$15k–$25k 11.1%

$25k–$35k 10.3%

$35k–$50k 13.0%

$50k–$75k 13.1%

$75k–$100k 9.1%

$100k–$150k 9.6%

$150k–$200k 8.9%

$200k+ 10.3%

Range	% of households
Under $10k	7.9%
$10k–$15k	6.7%
$15k–$25k	11.1%
$25k–$35k	10.3%
$35k–$50k	13.0%
$50k–$75k	13.1%
$75k–$100k	9.1%
$100k–$150k	9.6%
$150k–$200k	8.9%
$200k+	10.3%
Median income	$51,732

Housing

Home values

Under $50k 2.6%

$50k–$100k 6.6%

$100k–$150k 8.5%

$150k–$200k 15.9%

$200k–$300k 25.4%

$300k–$500k 22.6%

$500k–$1M 11.6%

$1M+ 6.7%

Housing overview

Metric	Value
Median home value	$264,900
Median rent / month	$1,041
Owner occupied	72.7%
Renter occupied	27.3%
Vacant	18.6%
Single-family detached	43.1%
Large apartment buildings	31.9%
Mobile homes	0.0%
Median rooms	5.3
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	0.0%
2010–2019	1.0%
2000–2009	6.2%
1990–1999	11.5%
1980–1989	20.5%
1970–1979	28.3%
1960–1969	20.9%
1950–1959	8.9%
1940–1949	2.0%
1939 or earlier	0.6%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	3.7%
2 bedrooms	19.6%
3 bedrooms	43.1%
4 bedrooms	28.1%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	10.1%
1 vehicle	36.3%
2 vehicles	35.4%
3 or more	18.3%

Heating fuel

Fuel type	%
Electricity	24.1%
Propane / LP gas	0.4%
Solar	1.5%
No fuel used	74.0%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	0.00

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	0.0%	0.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 0.0%

Some college, no degree 0.0%

Associate's degree 0.0%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	0.0%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Professional & management 24.4%

Education & healthcare 16.9%

Public administration 9.8%

Arts, food & hospitality 9.7%

Retail trade 7.8%

Finance & real estate 6.3%

Manufacturing 5.6%

Information 5.5%

Wholesale trade 4.7%

Other services 3.6%

Transportation & utilities 3.0%

Construction 2.6%

Occupation

Category	%
Management, business & arts	64.2%
Service	8.3%
Sales & office	22.5%
Natural resources & construction	1.8%
Production & transportation	3.1%

Employment type

Type	%
Private sector	68.4%
Government	15.0%
Self-employed	15.7%
Unpaid family workers	0.9%

Commute

Method	%
Drive alone	77.4%
Carpool	5.5%
Public transit	2.9%
Walk	1.3%
Work from home	12.1%
Other means	0.7%
Avg commute (minutes)	25.5

Poverty

All people 19.5%

Under 18 years 29.6%

18 and over 17.4%

Married-couple families 7.3%

Female-led households 40.2%

Income support

Source	% of households
Social Security	41.9%
Retirement income	21.9%
Supplemental Security	0.3%
Cash public assistance	2.1%
Food stamps / SNAP	16.0%

Health indicators

Condition	%
Obesity	0.0%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	0.0%
Heart disease	0.0%
Stroke	0.0%
Asthma	0.0%
Arthritis	0.0%
Kidney disease	0.0%
Pulmonary disease	0.0%
Cancer	0.0%

Behavior / access	%
Smoking	0.0%
Binge drinking	0.0%
No physical activity	0.0%
Less than 7 hrs sleep	0.0%
Depression	0.0%
Fair or poor health	0.0%
Poor mental health	0.0%
Poor physical health	0.0%
No health insurance	0.0%
Visited doctor (checkup)	0.0%
Visited dentist	0.0%
Cholesterol screening	0.0%
Teeth loss	0.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	68.7%
Public insurance	40.8%
No insurance	3.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	0	0.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	0	0.0%
Born in same state	0	0.0%
Born in different state	0	0.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Technology access

Metric	% of households
Computer access	0.0%
Internet access	0.0%

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

Frequently asked questions about ZIP code 00966

What city is ZIP code 00966 in?

ZIP code 00966 is primarily assigned to Guaynabo, Puerto Rico.

What county is ZIP code 00966 in?

ZIP code 00966 falls within Guaynabo County, Puerto Rico.

Does ZIP code 00966 have an older population?

28% of residents in ZIP code 00966 are 65 or older, above the national average of ~17%.

What is the poverty rate in ZIP code 00966?

20% of residents in ZIP code 00966 live below the poverty line, above the national average.

Does ZIP code 00966 have a large retiree population?

42% of households in ZIP code 00966 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 00966?

ZIP code 00966 has an estimated population of 16,451 residents, with a density of 6,528 people per square mile.

What timezone is ZIP code 00966 in?

ZIP code 00966 observes the AST timezone.