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Silkworth CDP, PA

ZIP 18621 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 18621

18621 has a population of 4,903 with a median age of 49.5 yrs (48.3% male).

Race & Ethnicity
White
89.9%+46% vs US avg
x
Black
3.6%-71% vs US avg
x
Asian
0.1%-99% vs US avg
x
Hispanic
2.9%-84% vs US avg
x
Other / Two+
3.5%
x
Age Groups
0–17
14.6%-34% vs US avg
x
18–64
62.8%+2% vs US avg
x
65+
22.6%+39% vs US avg
x
Education
Less than HS
10.7%-3% vs US avg
x
High school
42.7%+63% vs US avg
x
Some college
29.5%+2% vs US avg
x
Bachelor's+
17.1%-49% vs US avg
x
Marital Status
Married
54.3%+13% vs US avg
x
Never married
27.7%-18% vs US avg
x
Divorced
9.0%-13% vs US avg
x
Widowed / Separated
9.0%
x
Diversity Index
19/100

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

Social & household profile

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

Poverty Rate
5.5%-53% vs US avg
x
Foreign Born
10.4%-25% vs US avg
x
Veterans
6.9%+15% vs US avg
x
Disability
15.0%+12% vs US avg
x
Single Parent
1.9%-77% vs US avg
x
Top ancestry
GermanPolishIrish

Health & Community Indicators in 18621

Poverty Rate
5.5%-53% vs US avg
x
Veterans
6.9%+15% vs US avg
x
Foreign Born
10.4%-25% vs US avg
x
Single Parent
1.9%-77% vs US avg
x
Disability
15.0%+12% vs US avg
x
Uninsured
5.3%-34% vs US avg
x
SNAP Benefits
15.1%+29% vs US avg
x
Private School
0.2%-98% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population4,903
Median age49.5
Poverty rate5.5%
Demographics statistics
Demographics
White89.9%
Hispanic2.9%
Black3.6%
Asian0.1%
Foreign-born10.4%