Zip code 18031: Breinigsville, Pennsylvania

Q: What city is zip code 18031?

18031 is assigned to Breinigsville, Pennsylvania. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 18031 in?

18031 is mostly in Lehigh County, but it extends into 1 other county.

Q: What is the population of 18031?

About 11,570 people live in 18031, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 18031?

The median household income in 18031 is $113,625.

Q: What zip codes are near 18031?

The closest zip codes to 18031 are 18195, 18051, 19538, 18087, 18106.

Residential delivery areaLehigh CountyEastern Time

Population

11,570

Median household income

$114K

U.S. $81K

Median home value

$373K

U.S. $333K

Median rent

$1,949/mo

U.S. $1,413

Median age

39.4

U.S. 38.9

Land area

14 sq mi

831 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 18031

18031 is a suburban zip code in Breinigsville, Pennsylvania (Lehigh County), covering 14 sq mi of land. About 11,570 people live here, or 831 per square mile. The median resident is 39.4 years old, compared with 38.9 nationally.

The median household earns $113,625 a year, 41% above the national median of $80,734. 3.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $373,400, or 3.3 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 76% of occupied homes are lived in by their owners, and renters pay a median of $1,949 a month.

54% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; office and administrative support; and healthcare. 24% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 18031 compares

Sorted from highest to lowest national percentile

Broadband access98.5%
99th
StrengthU.S. 91% · PA 89.7%116th of 1,698 in PA
Tech workers7%
90th
U.S. 3.8% · PA 3.6%81st of 1,704 in PA
Work from home23.1%
85th
U.S. 15.1% · PA 15.6%172nd of 1,704 in PA
Residents under 1826.6%
84th
U.S. 22% · PA 20.4%204th of 1,707 in PA
Bachelor's degree or higher53.5%
83rd
StrengthU.S. 35.7% · PA 35.2%147th of 1,706 in PA
Healthcare workers12.2%
83rd
U.S. 9.7% · PA 11.5%579th of 1,704 in PA
Per capita income$57,645
82nd
StrengthU.S. $44,673 · PA $44,355173rd of 1,707 in PA
Median gross rent$1,949
82nd
U.S. $1,413 · PA $1,20942nd of 1,366 in PA
Median household income$113,625
81st
StrengthU.S. $80,734 · PA $77,971163rd of 1,617 in PA
Median earnings per worker$62,216
79th
U.S. $49,666 · PA $50,599216th of 1,693 in PA
Housing vacancy11.6%
77th
U.S. 10.1% · PA 9.2%690th of 1,699 in PA
Foreign-born residents20%
74th
U.S. 14.1% · PA 7.7%33rd of 1,707 in PA
Homeownership rate76.3%
70th
U.S. 65.2% · PA 69.3%1,039th of 1,698 in PA
Diversity index57.5
66th
U.S. 61.4 · PA 44.679th of 1,707 in PA
Rent-burdened renters53.6%
61st
U.S. 51.1% · PA 48.2%385th of 1,596 in PA
Median home value$373,400
58th
U.S. $332,700 · PA $254,500178th of 1,628 in PA
Median age39.4
53rd
U.S. 38.9 · PA 40.91,282nd of 1,707 in PA
Population density831/sq mi
41st
U.S. 95/sq mi · PA 291/sq mi515th of 1,707 in PA
Veterans5.1%
40th
U.S. 6.2% · PA 6.1%1,215th of 1,707 in PA
Residents 65 and older15.2%
39th
U.S. 17.2% · PA 19.5%1,417th of 1,707 in PA
Average commute24 min
36th
U.S. 26.4 min · PA 26.3 min1,112th of 1,596 in PA
Income inequality (Gini)0.411
29th
U.S. 0.483 · PA 0.474825th of 1,697 in PA
Population11,570
18th
U.S. 334,922,499 · PA 13,018,639371st of 1,707 in PA
Unemployment rate2.8%
14th
StrengthU.S. 5.2% · PA 5.3%1,146th of 1,704 in PA
Uninsured rate3%
12th
StrengthU.S. 8.4% · PA 5.6%1,173rd of 1,705 in PA
Self-employed workers6%
10th
U.S. 10% · PA 8.2%1,193rd of 1,704 in PA
Poverty rate3.7%
5th
StrengthU.S. 12.5% · PA 11.7%1,470th of 1,699 in PA
Government workers7.3%
5th
U.S. 14.5% · PA 11.5%1,381st of 1,704 in PA

Measure	18031	Lehigh	PA	U.S.	National percentile	Rank in PA
Broadband accessStrength	98.5%	90%	89.7%	91%	99th	116th of 1,698
Tech workers	7%	2.7%	3.6%	3.8%	90th	81st of 1,704
Work from home	23.1%	14%	15.6%	15.1%	85th	172nd of 1,704
Residents under 18	26.6%	22.3%	20.4%	22%	84th	204th of 1,707
Bachelor's degree or higherStrength	53.5%	34.2%	35.2%	35.7%	83rd	147th of 1,706
Healthcare workers	12.2%	11.8%	11.5%	9.7%	83rd	579th of 1,704
Per capita incomeStrength	$57,645	$43,088	$44,355	$44,673	82nd	173rd of 1,707
Median gross rent	$1,949	$1,383	$1,209	$1,413	82nd	42nd of 1,366
Median household incomeStrength	$113,625	$80,079	$77,971	$80,734	81st	163rd of 1,617
Median earnings per worker	$62,216	$47,987	$50,599	$49,666	79th	216th of 1,693
Housing vacancy	11.6%	4.5%	9.2%	10.1%	77th	690th of 1,699
Foreign-born residents	20%	14.4%	7.7%	14.1%	74th	33rd of 1,707
Homeownership rate	76.3%	65.6%	69.3%	65.2%	70th	1,039th of 1,698
Diversity index	57.5	56.7	44.6	61.4	66th	79th of 1,707
Rent-burdened renters	53.6%	54.9%	48.2%	51.1%	61st	385th of 1,596
Median home value	$373,400	$300,400	$254,500	$332,700	58th	178th of 1,628
Median age	39.4	39.6	40.9	38.9	53rd	1,282nd of 1,707
Population density	831/sq mi	1,097/sq mi	291/sq mi	95/sq mi	41st	515th of 1,707
Veterans	5.1%	5.6%	6.1%	6.2%	40th	1,215th of 1,707
Residents 65 and older	15.2%	17.7%	19.5%	17.2%	39th	1,417th of 1,707
Average commute	24 min	24.9 min	26.3 min	26.4 min	36th	1,112th of 1,596
Income inequality (Gini)	0.411	0.465	0.474	0.483	29th	825th of 1,697
Population	11,570	378,792	13,018,639	334,922,499	18th	371st of 1,707
Unemployment rateStrength	2.8%	5.9%	5.3%	5.2%	14th	1,146th of 1,704
Uninsured rateStrength	3%	6.4%	5.6%	8.4%	12th	1,173rd of 1,705
Self-employed workers	6%	7.6%	8.2%	10%	10th	1,193rd of 1,704
Poverty rateStrength	3.7%	11.6%	11.7%	12.5%	5th	1,470th of 1,699
Government workers	7.3%	8.3%	11.5%	14.5%	5th	1,381st of 1,704

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

21%

5–17

18–24

13%

25–34

16%

35–44

12%

45–54

13%

55–64

65–74

75+

Median age

39.4

Under 18

26.6%

65 and over

15.2%

Race and ethnicity

White61%
Black5%
Hispanic18%
Asian14%
Native American0%
Pacific Islander0%
Other0.1%
Multiracial2%

Diversity index

57.5

U.S. 61.4

Foreign-born

20%

U.S. 14.1%

Born in state

57.3%

Language spoken at home (households)

English only

76%

Spanish

Other Indo-European

10%

Asian / Pacific

Other

0.4%

Households

Households: 4,098
Average household size: 2.8
Family households: 76.1%
Married couples: 57.3%
Living alone: 17.4%
Veterans (of adults): 5.1%
Male / female: 44% / 56%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

16%

$75–100k

18%

$100–150k

24%

$150–200k

10%

$200k+

23%

Median household income

18031

$113,625

Lehigh Co.

$80,079

Pennsylvania

$77,971

United States

$80,734

Per capita income

$57,645

U.S. $44,673

Poverty rate

3.7%

U.S. 12.5%

Households earning $150K+

33.4%

U.S. 23%

Income inequality (Gini)

0.411

U.S. 0.483

Housing

Median home value

18031

$373,400

Lehigh Co.

$300,400

Pennsylvania

$254,500

United States

$332,700

Median gross rent

18031

$1,949

Lehigh Co.

$1,383

Pennsylvania

$1,209

United States

$1,413

Types of housing

Single-family

78%

2–4 units

0.5%

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 4,634
Owner-occupied: 76.3%
Vacant: 11.6%
Median year built: 2003
Median rooms: 6.3
Renters paying 30%+ of income: 53.6%
Renters paying 50%+ of income: 5.4%
Home value to income: 3.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

71%

Carpooled

Transit

0.4%

Walked

0.4%

Bicycle

Worked from home

23%

Other

Commute time (one way)

<10 min

11%

10–19

32%

20–29

25%

30–44

23%

45–59

60+

Average commute

24 min

U.S. 26.4 min

Unemployment

2.8%

U.S. 5.2%

In labor force

73.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

16%

Office and admin

15%

Healthcare

12%

Sales

11%

Transportation and moving

Computer and math

Business and finance

Education

Production

Construction and repair

Engineering and science

Cleaning and personal care

Arts, media and sports

Legal and social services

Food service

Police and fire

Farming, fishing and forestry

Industries

Health care and social assistance

16%

Manufacturing

14%

Transportation, warehousing and utilities

14%

Retail

10%

Professional and technical services

10%

Education

Construction

Other services

Restaurants and hotels

Admin, support and management

Information

Finance, insurance and real estate

Public administration

Wholesale

Arts and recreation

0.7%

Agriculture and mining

0.2%

Median earnings per worker

$62,216

U.S. $49,666

Self-employed

U.S. 10%

Government workers

7.3%

U.S. 14.5%

Nonprofit workers

14.5%

U.S. 8.8%

Median earnings by type of work

Type of work	18031	U.S.
Management, business, science and arts	$86,596	$74,888
Service	$27,308	$26,804
Sales and office	$45,688	$40,476
Construction and maintenance	$17,035	$49,199
Production and transportation	$48,052	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

21%

Some college

14%

Associate's

Bachelor's

32%

Graduate

22%

High school graduate or higher: 97.7%
Bachelor's degree or higher: 53.5%
Graduate or professional degree: 21.9%
Households with broadband: 98.5%
Cable, fiber or DSL: 84.5%
No internet access: 1.5%
Without health insurance: 3%
Limited-English households: 5.9%

Geography

City (USPS): Breinigsville
State: Pennsylvania
County: Lehigh County
Center point: 40.5596° N, 75.6489° W
Land area: 14 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

18031 spans 2 counties

Lehigh County99% of land
Berks County1% of land

Cities and towns within this zip

Breinigsville (unincorporated)24% of zip
Trexlertown (unincorporated)6% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 18031

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
18195	Allentown, PA	2.1 mi	0	—	—
18051	Fogelsville, PA	2.7 mi	3,624	$139,506	$459,600
19538	Maxatawny, PA	2.9 mi	64	$48,884	$195,100
18087	Trexlertown, PA	2.9 mi	590	$72,917	$346,100
18106	Allentown, PA	4.4 mi	6,226	$92,813	$412,200
19539	Mertztown, PA	4.7 mi	3,823	$107,656	$266,700
18046	East Texas, PA	4.7 mi	201	—	—
19562	Topton, PA	4.8 mi	2,947	$80,407	$212,300
18069	Orefield, PA	4.9 mi	8,515	$117,895	$424,500
18062	Macungie, PA	5.2 mi	27,110	$110,675	$380,200
18011	Alburtis, PA	5.7 mi	5,338	$104,449	$296,300
18104	Allentown, PA	6.5 mi	48,683	$94,601	$336,400

Zip codes like 18031 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 18031

What city is zip code 18031?

18031 is assigned to Breinigsville, Pennsylvania. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 18031 in?

18031 is mostly in Lehigh County, but it extends into 1 other county.

What is the population of 18031?

About 11,570 people live in 18031, according to the Census Bureau's American Community Survey.

What time zone is 18031 in?

18031 is in Eastern Time.

What is the median household income in 18031?

The median household income in 18031 is $113,625.

What zip codes are near 18031?

The closest zip codes to 18031 are 18195, 18051, 19538, 18087, 18106.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 18031, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.