ZIP Code 18037
standardSource:
Coplay · Lehigh County · Pennsylvania
- Population
- 7,070
- Median income
- $83,542
- Median home value
- $256,600
- Bachelor's or higher
- 28.5%
- Land area
- 18.9 sq mi
374/sq mi
▲ 10% vs US
higher than 66% of US ZIPs
▼ 8% vs US
higher than 59% of US ZIPs
Median age 44.3
New York
ZIP code 18037 in Coplay, Pennsylvania has a population of 7,070. The median household income is $83,542, which is 10% above the national average. Median home value is $256,600, 8% below the US average. 28.5% of residents hold a bachelor's degree or higher.
ZIP code 18037 is classified by USPS as a standard delivery area and covers roughly 18.9 square miles in Coplay, Lehigh County, Pennsylvania. The area is home to 7,070 residents, producing a population density of 374 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 18037 against Pennsylvania and the nation.
On the economic side, the median household income for ZIP 18037 sits at $83,542 (7% above the Pennsylvania average), while per-capita income is $41,714. The poverty rate stands at 7.5% and the unemployment rate at 1.8%. On housing, the median home value is $256,600 (13% above the state average) with median rent at $1,203 per month, and 79.1% of occupied units are owner-occupied, a direct signal of whether 18037 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 28.5% of adults hold a bachelor's degree or higher, the median age is 44.3, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Lehigh County, so you can benchmark 18037 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 18037
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 18037.
- Other services (except public administration)
Other services (except public administration)
15 establishments
- Construction
Construction
14 establishments
- Accommodation and food services
Accommodation and food services
12 establishments
- Retail trade
Retail trade
11 establishments
- Health care and social assistance
Health care and social assistance
8 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 18037, Coplay, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
7,070
Population
18.9
Area (sq mi)
374
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 18037?
44.3
Median Age
46.7%
Male
53.3%
Female
2.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$83,542
Median Household Income
+7% vs state
$41,714
Per Capita Income
7.5%
Poverty Rate
1.8%
Unemployment Rate
27.7 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
3,160
Total Housing Units
3,035
Occupied Units
125
Vacant Units
2.46
Avg Household Size
Occupancy Type
$256,600
Median Home Value
+13% vs state
$1,203
Median Rent
1974
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.5%
YoY Change (2024)
251
HPI Index (2000 = 100)
+151%
Total Change Since 2000
Home values in ZIP 18037 have increased 6.5% over the past year (2024). Since 2000, this ZIP has seen +151% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.2% | 174 |
| 2021 | +13.2% | 196 |
| 2022 | +14.8% | 226 |
| 2023 | +4.3% | 235 |
| 2024 | +6.5% | 251 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 104 business establishments in ZIP 18037, employing approximately 914 people with a combined annual payroll of $33,723,000.
104
Businesses
914
Employees
$33.7M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 15 | 14.4% |
| Construction | 14 | 13.5% |
| Accommodation and food services | 12 | 11.5% |
| Retail trade | 11 | 10.6% |
| Health care and social assistance | 8 | 7.7% |
| Professional, scientific, and technical services | 7 | 6.7% |
| Administrative and support and waste management and remediation services | 7 | 6.7% |
| Manufacturing | 6 | 5.8% |
| Wholesale trade | 5 | 4.8% |
| Finance and insurance | 5 | 4.8% |
| Transportation and warehousing | 4 | 3.9% |
| Information | 4 | 3.9% |
| Arts, entertainment, and recreation | 3 | 2.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 18037 vs 18059 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 18059 | Laurys Station, PA | 1,228 | 2.9 mi |
| 18086 | Treichlers, PA | 398 | 3.8 mi |
| 18052 | Whitehall, PA | 26,902 | 2.7 mi |
| 18035 | Cherryville, PA | 241 | 4.5 mi |
| 18104 | Allentown, PA | 43,236 | 4.9 mi |
| 18078 | Schnecksville, PA | 7,074 | 3.9 mi |
| 18088 | Walnutport, PA | 8,375 | 5.8 mi |
| 18067 | Northampton, PA | 17,852 | 4.3 mi |
| 18032 | Catasauqua, PA | 9,285 | 4.4 mi |
| 18069 | Orefield, PA | 8,017 | 5.4 mi |
More ZIP Codes in Lehigh County
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Frequently Asked Questions
What county is ZIP code 18037 in? ▼
What is the population of ZIP code 18037? ▼
What is the median household income in ZIP 18037? ▼
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How many businesses are in ZIP code 18037? ▼
What are the main industries in ZIP code 18037? ▼
How have home values changed in ZIP code 18037? ▼
What is the education level in ZIP code 18037? ▼
What is the average commute time in ZIP 18037? ▼
What percentage of residents own vs. rent in ZIP 18037? ▼
What is the poverty rate in ZIP code 18037? ▼
ZIP Code Research Guides
Official Data Resources for Coplay, PA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.