18843 ZIP Code — South Montrose, PA

Susquehanna County, Pennsylvania

ZIP code 18843 is located in South Montrose, Pennsylvania, within Susquehanna County. It covers approximately 1.40 square miles and serves a population of 347 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 570.

About ZIP code 18843

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $184,700. Owner-occupancy sits near the national average at 60%.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. Remote work is prevalent — 58% of workers work from home.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Notable community characteristics include disability rates above the national average at 33%.

Overall, ZIP code 18843 reflects a community defined by a high rate of remote workers, a significant Social Security-dependent population, and elevated reliance on food assistance.

347

population

1.40

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18843 ZIP code map

Cities in ZIP code 18843

Below are the cities the US Postal Service accepts for ZIP code 18843. Using any city not on this list may result in mail delivery delays.

City	Status
South Montrose	Acceptable

Demographics updated 05/2026

Population
Total population	347
Population density	248 / sq mi
State FIPS	42
County FIPS	115

Geography
Land area	1.40 sq mi
Water area	0.00 sq mi
Latitude	41.7972
Longitude	-75.8919
Timezone	Eastern (ET)
Area code	570

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.7%	44.2%	39.8%
$50k – $100k	35.1%	31.7%	30.8%
$100k – $200k	9.3%	19.5%	22.4%
Over $200k	0.0%	4.6%	7.1%

Demographics & statistics

347

Population

248

People per sq mi

62.4

Median age

Median household income

$29,742

Per capita income

$184,700

Median home value

Median monthly rent

59.7%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

101

Housing units

23.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

15–19

20–24

25–34

35–44

45–54

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	6	1.7%
18 and over	341	98.3%
65 and over	132	38.0%
Median age	62.4 years

Race & ethnicity

White 88.3%

Two or more races 5.6%

Hispanic or Latino 3.3%

Black or African American 2.8%

Group	Count	%
White	317	88.3%
Two or more races	20	5.6%
Hispanic or Latino	12	3.3%
Black or African American	10	2.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.7%	44.2%	39.8%
$50k – $100k	35.1%	31.7%	30.8%
$100k – $200k	9.3%	19.5%	22.4%
Over $200k	0.0%	4.6%	7.1%

$15k–$25k 40.3%

$25k–$35k 13.2%

$35k–$50k 10.7%

$50k–$75k 5.0%

$75k–$100k 5.7%

$100k–$150k 25.2%

Range	% of households
$15k–$25k	40.3%
$25k–$35k	13.2%
$35k–$50k	10.7%
$50k–$75k	5.0%
$75k–$100k	5.7%
$100k–$150k	25.2%
Median income	$0

Housing

Home values

Under $50k 17.9%

$50k–$100k 12.6%

$150k–$200k 45.3%

$200k–$300k 9.5%

$500k–$1M 14.7%

Housing overview

Metric	Value
Median home value	$184,700
Median rent / month	$0
Owner occupied	59.7%
Renter occupied	40.3%
Vacant	3.6%
Single-family detached	95.2%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.6
Avg household size (owned)	2.88

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	8.5%
1970–1979	24.2%
1960–1969	46.7%
1950–1959	10.3%
1940–1949	3.6%
1939 or earlier	6.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	5.5%
3 bedrooms	84.2%
4 bedrooms	1.8%
5+ bedrooms	8.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	56.6%
2 vehicles	41.5%
3 or more	1.9%

Heating fuel

Fuel type	%
Utility gas	5.0%
Electricity	3.8%
Propane / LP gas	50.9%
Fuel oil	13.2%
Wood	1.9%

Households & families

Household type	Count	%
Married-couple family	37	23.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	64	40.3%
Female householder, no spouse	58	36.5%
Households with children under 18	3	1.9%
Households with seniors (65+)	108	67.9%
Average household size	2.13

Marital status

Status	Male	Female
Never married	11.1%	65.1%
Married	20.6%	23.0%
Separated	0.0%	0.0%
Widowed	34.4%	11.8%
Divorced	33.9%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 71.3%

Some college, no degree 5.5%

Associate's degree 0.0%

Bachelor's degree 23.2%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	23.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	3	6.5%
Kindergarten	0	0.0%
Elementary school	3	6.5%
High school	0	0.0%
College / grad school	40	87.0%

Employment

Industry of employment

Agriculture & mining 58.2%

Retail trade 30.0%

Education & healthcare 10.3%

Construction 1.4%

Occupation

Category	%
Management, business & arts	59.6%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	6.1%
Production & transportation	34.3%

Employment type

Type	%
Private sector	72.3%
Government	0.0%
Self-employed	27.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	32.9%
Carpool	4.7%
Public transit	0.0%
Walk	0.0%
Work from home	58.2%
Other means	4.2%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	66.0%
Retirement income	25.8%
Supplemental Security	1.9%
Cash public assistance	0.0%
Food stamps / SNAP	65.4%

Health indicators

Condition	%
Obesity	33.1%
High blood pressure	31.8%
High cholesterol	32.8%
Diabetes	9.9%
Heart disease	6.9%
Stroke	3.0%
Asthma	10.4%
Arthritis	28.4%
Kidney disease	2.9%
Pulmonary disease	7.6%
Cancer	7.4%

Behavior / access	%
Smoking	17.9%
Binge drinking	18.8%
No physical activity	22.9%
Less than 7 hrs sleep	34.0%
Depression	23.3%
Fair or poor health	13.6%
Poor mental health	15.7%
Poor physical health	10.6%
No health insurance	9.4%
Visited doctor (checkup)	78.2%
Visited dentist	65.8%
Cholesterol screening	89.2%
Teeth loss	13.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	9	2.6%

Disability	%
Any disability	33.1%
Under 18	0.0%
18–64 years	4.3%
65 and over	80.3%

Health insurance coverage

Type	%
Private insurance	65.7%
Public insurance	62.8%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	344	99.1%
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)	347	100.0%
Born in same state	347	100.0%
Born in different state	308	88.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	88	25.4%
Arab	50	14.4%

Ancestry	Count	%
Italian	14	4%

Technology access

Metric	% of households
Computer access	45.8%
Internet access	91.2%

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

Frequently asked questions about ZIP code 18843

What city is ZIP code 18843 in?

ZIP code 18843 is primarily assigned to South Montrose, Pennsylvania.

What county is ZIP code 18843 in?

ZIP code 18843 falls within Susquehanna County, Pennsylvania.

Does ZIP code 18843 have a large retiree population?

66% of households in ZIP code 18843 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 18843 have an older population?

38% of residents in ZIP code 18843 are 65 or older, above the national average of ~17%.

What is the typical home value in ZIP code 18843?

The median home value in ZIP code 18843 is $184,700.

What is the population of ZIP code 18843?

ZIP code 18843 has an estimated population of 347 residents, with a density of 248 people per square mile.

What timezone is ZIP code 18843 in?

ZIP code 18843 observes the EST timezone.