Silkworth CDP, PA

ZIP 18621 — Economy & Jobs

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

Middle ClassLow Snow Area

Income, employment, industries, and economic trends

Income & Economy in Silkworth CDP, PA (18621)

Median Income

$66,492

*Adjusted for inflation (2023 dollars)

IRS Net Migration

+223

Wealth inflow

Population

4,903

Unemployment

4.8%

1.1pp above US avg

IRS migration statistics show a net inflow of about 223 for ZIP 18621 (Silkworth CDP, PA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Economic Indicators

Unemployment

4.8%+31% vs US avg

Self-Employed

0.9%-86% vs US avg

SNAP Benefits

15.1%+29% vs US avg

Establishments

491

Employees

~7 per establishment — small businesses dominate

Retail trade

Top Industry

Economic Distributions

Census ACS 5-Year (P0): occupation, industry, household income brackets.

Occupation

Industry

Agriculture, forestry, mining0.5%
Construction13.4%
Manufacturing7.8%
Wholesale trade4.1%
Retail trade14.2%
Transportation, utilities5.8%
Information1.1%
Finance, insurance, real estate6.0%
Professional, scientific, management3.7%
Education, health care, social18.9%
Arts, entertainment, food services9.1%
Other services10.1%
Public administration5.4%

Household Income

Historical Trends in 18621 (2020–Present)

Since 2020, population declined 21.7%, median income fell 9.0% (inflation-adjusted), home values increased 0.1%.

Median Income

$66,492

-12% vs US avg

Unemployment Rate