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Mertztown CDP, PA

ZIP 19539 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 19539

19539 has a population of 4,112 with a median age of 43.8 yrs (53.6% male).

Race & Ethnicity
White
96.5%+57% vs US avg
x
Black
0.8%-93% vs US avg
x
Asian
0.0%
x
Hispanic
1.9%-90% vs US avg
x
Other / Two+
0.7%
x
Age Groups
0–17
17.7%-20% vs US avg
x
18–64
66.3%+7% vs US avg
x
65+
16.0%-2% vs US avg
x
Education
Less than HS
4.1%-63% vs US avg
x
High school
36.6%+40% vs US avg
x
Some college
31.2%+8% vs US avg
x
Bachelor's+
28.0%-17% vs US avg
x
Marital Status
Married
59.7%+24% vs US avg
x
Never married
27.0%-20% vs US avg
x
Divorced
9.2%-11% vs US avg
x
Widowed / Separated
4.1%
x
Diversity Index
7/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
2.2%-81% vs US avg
x
Foreign Born
38.8%+179% vs US avg
x
Veterans
4.4%-27% vs US avg
x
Disability
9.7%-28% vs US avg
x
Single Parent
2.6%-68% vs US avg
x
Top ancestry
GermanIrishPennsylvania German

Health & Community Indicators in 19539

Poverty Rate
2.2%-81% vs US avg
x
Veterans
4.4%-27% vs US avg
x
Foreign Born
38.8%+179% vs US avg
x
Single Parent
2.6%-68% vs US avg
x
Disability
9.7%-28% vs US avg
x
Uninsured
4.7%-42% vs US avg
x
SNAP Benefits
2.6%-78% vs US avg
x
Private School
0.3%-97% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population4,112
Median age43.8
Poverty rate2.2%
Demographics statistics
Demographics
White96.5%
Hispanic1.9%
Black0.8%
Asian0.0%
Foreign-born38.8%