16677 ZIP Code — Sandy Ridge, PA

Centre County, Pennsylvania

ZIP code 16677 is located in Sandy Ridge, Pennsylvania, within Centre County. It covers approximately 3.02 square miles and serves a population of 301 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 814.

About ZIP code 16677

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $128,800. Owner-occupancy is high at 78%, well above the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.

Overall, ZIP code 16677 reflects a community defined by economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

301

population

3.02

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

16677 ZIP code map

Cities in ZIP code 16677

Below are the cities the US Postal Service accepts for ZIP code 16677. Using any city not on this list may result in mail delivery delays.

City	Status
Sandy Ridge	Acceptable

Demographics updated 05/2026

Population
Total population	301
Population density	100 / sq mi
State FIPS	42
County FIPS	027

Geography
Land area	3.02 sq mi
Water area	0.00 sq mi
Latitude	40.7879
Longitude	-78.2888
Timezone	Eastern (ET)
Area code	814

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	82.2%	41.5%	39.8%
$50k – $100k	17.8%	29.4%	30.8%
$100k – $200k	0.0%	22.3%	22.4%
Over $200k	0.0%	6.8%	7.1%

Demographics & statistics

301

Population

100

People per sq mi

36.8

Median age

Median household income

$21,276

Per capita income

$128,800

Median home value

Median monthly rent

77.9%

Home ownership

21.9%

Poverty rate

0.0%

Unemployment

116

Housing units

24.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

15–19

20–24

25–34

35–44

45–54

60–64

← Male

Female →

Age summary

Group	Count	%
Under 18	44	14.6%
18 and over	257	85.4%
65 and over	0	0.0%
Median age	36.8 years

Race & ethnicity

White 100%

Group	Count	%
White	301	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	82.2%	41.5%	39.8%
$50k – $100k	17.8%	29.4%	30.8%
$100k – $200k	0.0%	22.3%	22.4%
Over $200k	0.0%	6.8%	7.1%

Under $10k 18.0%

$10k–$15k 18.0%

$15k–$25k 18.9%

$50k–$75k 18.0%

$75k–$100k 4.1%

$100k–$150k 16.4%

$150k–$200k 6.6%

Range	% of households
Under $10k	18.0%
$10k–$15k	18.0%
$15k–$25k	18.9%
$50k–$75k	18.0%
$75k–$100k	4.1%
$100k–$150k	16.4%
$150k–$200k	6.6%
Median income	$0

Housing

Home values

Under $50k 23.2%

$100k–$150k 47.4%

$150k–$200k 21.1%

$200k–$300k 8.4%

Housing overview

Metric	Value
Median home value	$128,800
Median rent / month	$0
Owner occupied	77.9%
Renter occupied	22.1%
Vacant	14.7%
Single-family detached	84.6%
Large apartment buildings	0.0%
Mobile homes	15.4%
Median rooms	5.5
Avg household size (owned)	2.81

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	5.6%
1990–1999	30.1%
1980–1989	14.7%
1970–1979	15.4%
1960–1969	0.0%
1950–1959	3.5%
1940–1949	0.0%
1939 or earlier	30.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	16.1%
3 bedrooms	64.3%
4 bedrooms	19.6%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	36.9%
2 vehicles	40.2%
3 or more	23.0%

Heating fuel

Fuel type	%
Electricity	10.7%
Fuel oil	89.3%

Households & families

Household type	Count	%
Married-couple family	72	59.0%
Cohabiting couple	5	4.1%
Male householder, no spouse	23	18.9%
Female householder, no spouse	22	18.0%
Households with children under 18	30	24.6%
Households with seniors (65+)	0	0.0%
Average household size	2.47

Marital status

Status	Male	Female
Never married	29.2%	31.0%
Married	54.0%	51.9%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	16.8%	17.1%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 50.0%

Some college, no degree 3.1%

Associate's degree 22.9%

Bachelor's degree 13.5%

Graduate / professional 10.4%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	24.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	12.2%
Kindergarten	0	0.0%
Elementary school	19	14.5%
High school	10	7.6%
College / grad school	86	65.6%

Employment

Industry of employment

Education & healthcare 42.9%

Construction 31.4%

Retail trade 15.7%

Professional & management 10.0%

Occupation

Category	%
Management, business & arts	52.1%
Service	5.7%
Sales & office	26.4%
Natural resources & construction	15.7%
Production & transportation	0.0%

Employment type

Type	%
Private sector	50.0%
Government	34.3%
Self-employed	15.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.7%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	14.3%
Other means	0.0%
Avg commute (minutes)	28.6

Poverty

All people 21.9%

Under 18 years 0.0%

18 and over 25.7%

Married-couple families 30.6%

Female-led households 100.0%

Income support

Source	% of households
Social Security	36.9%
Retirement income	6.6%
Supplemental Security	0.0%
Cash public assistance	18.0%
Food stamps / SNAP	36.1%

Health indicators

Condition	%
Obesity	32.3%
High blood pressure	34.9%
High cholesterol	34.8%
Diabetes	10.8%
Heart disease	7.6%
Stroke	3.2%
Asthma	9.9%
Arthritis	30.7%
Kidney disease	3.0%
Pulmonary disease	8.0%
Cancer	7.9%

Behavior / access	%
Smoking	18.9%
Binge drinking	17.9%
No physical activity	23.2%
Less than 7 hrs sleep	34.3%
Depression	21.0%
Fair or poor health	14.0%
Poor mental health	14.8%
Poor physical health	10.8%
No health insurance	9.9%
Visited doctor (checkup)	79.2%
Visited dentist	68.1%
Cholesterol screening	91.0%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	15.0%
Under 18	0.0%
18–64 years	17.5%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	92.4%
Public insurance	7.3%
No insurance	0.3%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	285	94.7%
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)	301	100.0%
Born in same state	301	100.0%
Born in different state	278	92.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	77	25.6%

Ancestry	Count	%
French	77	25.6%

Technology access

Metric	% of households
Computer access	40.5%
Internet access	100.0%

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

Frequently asked questions about ZIP code 16677

What city is ZIP code 16677 in?

ZIP code 16677 is primarily assigned to Sandy Ridge, Pennsylvania.

What county is ZIP code 16677 in?

ZIP code 16677 falls within Centre County, Pennsylvania.

What is the poverty rate in ZIP code 16677?

22% of residents in ZIP code 16677 live below the poverty line, above the national average.

Does ZIP code 16677 have a large retiree population?

37% of households in ZIP code 16677 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 16677?

The median home value in ZIP code 16677 is $128,800.

What is the population of ZIP code 16677?

ZIP code 16677 has an estimated population of 301 residents, with a density of 100 people per square mile.

What timezone is ZIP code 16677 in?

ZIP code 16677 observes the EST timezone.