18231 ZIP Code — Kelayres, PA

Schuylkill County, Pennsylvania

ZIP code 18231 is located in Kelayres, Pennsylvania, within Schuylkill County. It covers approximately 0.12 square miles and serves a population of 465 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 570.

About ZIP code 18231

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $113,500. Owner-occupancy is high at 82%, well above the national average.

Median household income is $62,212.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 18231 reflects a community defined by a trades-oriented workforce and high homeownership.

465

population

0.12

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18231 ZIP code map

Cities in ZIP code 18231

Below are the cities the US Postal Service accepts for ZIP code 18231. Using any city not on this list may result in mail delivery delays.

City	Status
Kelayres	Acceptable

Demographics updated 05/2026

Population
Total population	465
Population density	3,875 / sq mi
State FIPS	42
County FIPS	107

Geography
Land area	0.12 sq mi
Water area	0.00 sq mi
Latitude	40.9033
Longitude	-76.0090
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	48.7%	46.8%	39.8%
$50k – $100k	39.0%	33.5%	30.8%
$100k – $200k	12.3%	17.4%	22.4%
Over $200k	0.0%	2.3%	7.1%

Demographics & statistics

465

Population

3,875

People per sq mi

30.3

Median age

$62,212

Median household income

$28,306

Per capita income

$113,500

Median home value

$643

Median monthly rent

82.2%

Home ownership

12.7%

Poverty rate

10.8%

Unemployment

189

Housing units

15.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	142	30.5%
18 and over	323	69.5%
65 and over	18	3.9%
Median age	30.3 years

Race & ethnicity

White 87.4%

Black or African American 4.8%

Hispanic or Latino 3.9%

Two or more races 3.9%

Group	Count	%
White	423	87.4%
Black or African American	23	4.8%
Hispanic or Latino	19	3.9%
Two or more races	19	3.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.7%	46.8%	39.8%
$50k – $100k	39.0%	33.5%	30.8%
$100k – $200k	12.3%	17.4%	22.4%
Over $200k	0.0%	2.3%	7.1%

Under $10k 18.3%

$10k–$15k 4.1%

$25k–$35k 5.1%

$35k–$50k 0.5%

$50k–$75k 38.6%

$75k–$100k 26.4%

$100k–$150k 5.1%

$150k–$200k 2.0%

Range	% of households
Under $10k	18.3%
$10k–$15k	4.1%
$25k–$35k	5.1%
$35k–$50k	0.5%
$50k–$75k	38.6%
$75k–$100k	26.4%
$100k–$150k	5.1%
$150k–$200k	2.0%
Median income	$62,212

Housing

Home values

Under $50k 9.3%

$50k–$100k 20.4%

$100k–$150k 64.2%

$150k–$200k 3.7%

$200k–$300k 2.5%

Housing overview

Metric	Value
Median home value	$113,500
Median rent / month	$643
Owner occupied	82.2%
Renter occupied	17.8%
Vacant	12.1%
Single-family detached	68.3%
Large apartment buildings	0.0%
Mobile homes	4.0%
Median rooms	6.1
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	3.6%
1980–1989	0.0%
1970–1979	2.2%
1960–1969	4.0%
1950–1959	5.4%
1940–1949	5.8%
1939 or earlier	79.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.5%
2 bedrooms	28.6%
3 bedrooms	49.6%
4 bedrooms	11.6%
5+ bedrooms	1.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	52.3%
2 vehicles	31.0%
3 or more	16.8%

Heating fuel

Fuel type	%
Utility gas	9.1%
Electricity	11.2%
Fuel oil	68.0%

Households & families

Household type	Count	%
Married-couple family	66	33.5%
Cohabiting couple	0	0.0%
Male householder, no spouse	67	34.0%
Female householder, no spouse	64	32.5%
Households with children under 18	69	35.0%
Households with seniors (65+)	19	9.6%
Average household size	2.36

Marital status

Status	Male	Female
Never married	31.7%	25.8%
Married	51.2%	42.1%
Separated	3.0%	0.0%
Widowed	0.0%	20.2%
Divorced	14.0%	11.8%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.8%

HS graduate 37.2%

Some college, no degree 26.4%

Associate's degree 17.4%

Bachelor's degree 6.3%

Graduate / professional 9.0%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	15.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	74	48.4%
High school	30	19.6%
College / grad school	49	32.0%

Employment

Industry of employment

Education & healthcare 33.9%

Construction 23.4%

Manufacturing 14.9%

Retail trade 12.1%

Transportation & utilities 7.3%

Public administration 2.8%

Arts, food & hospitality 2.4%

Other services 2.0%

Information 1.2%

Occupation

Category	%
Management, business & arts	35.5%
Service	20.6%
Sales & office	5.2%
Natural resources & construction	15.7%
Production & transportation	23.0%

Employment type

Type	%
Private sector	81.5%
Government	18.5%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	94.4%
Carpool	5.6%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	19.5

Poverty

All people 12.7%

Under 18 years 10.6%

18 and over 13.6%

Married-couple families 0.0%

Female-led households 34.8%

Income support

Source	% of households
Social Security	11.2%
Retirement income	18.3%
Supplemental Security	3.0%
Cash public assistance	3.6%
Food stamps / SNAP	14.7%

Health indicators

Condition	%
Obesity	34.5%
High blood pressure	33.1%
High cholesterol	33.7%
Diabetes	10.0%
Heart disease	7.2%
Stroke	3.1%
Asthma	9.6%
Arthritis	28.9%
Kidney disease	2.9%
Pulmonary disease	7.4%
Cancer	7.8%

Behavior / access	%
Smoking	18.3%
Binge drinking	18.9%
No physical activity	24.7%
Less than 7 hrs sleep	33.7%
Depression	21.4%
Fair or poor health	13.4%
Poor mental health	15.0%
Poor physical health	10.4%
No health insurance	10.7%
Visited doctor (checkup)	76.3%
Visited dentist	67.1%
Cholesterol screening	90.3%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	8	2.5%

Disability	%
Any disability	13.3%
Under 18	4.2%
18–64 years	16.4%
65 and over	33.3%

Health insurance coverage

Type	%
Private insurance	83.2%
Public insurance	23.9%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	427	91.8%
Spanish	8	1.9%
Other Indo-European	8	1.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	457	98.3%
Born in same state	457	98.3%
Born in different state	380	81.7%
Foreign born	0	0.0%
Naturalized citizen	8	1.7%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
French	78	16.8%
Italian	41	8.8%
Irish	10	2.2%

Ancestry	Count	%
Norwegian	10	2.2%
English	3	0.6%
Arab	1	0.2%

Technology access

Metric	% of households
Computer access	42.4%
Internet access	88.8%

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

Frequently asked questions about ZIP code 18231

What city is ZIP code 18231 in?

ZIP code 18231 is primarily assigned to Kelayres, Pennsylvania.

What county is ZIP code 18231 in?

ZIP code 18231 falls within Schuylkill County, Pennsylvania.

Is ZIP code 18231 family-oriented?

31% of residents in ZIP code 18231 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 18231 mostly owner-occupied?

82% of occupied units in ZIP code 18231 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 18231?

The median home value in ZIP code 18231 is $113,500.

What is the population of ZIP code 18231?

ZIP code 18231 has an estimated population of 465 residents, with a density of 4,043 people per square mile.

What timezone is ZIP code 18231 in?

ZIP code 18231 observes the EST timezone.