Llewellyn Park, NJ

Full City Profile · New Jersey · Essex County County

3.4 /5.0

B Good

536 Population 755/sq mi density

$179,333 Median Income $138,297 per capita

$1,293,800 Home Value $468,068 Zillow

$2,224 Median Rent 21.8% income on rent

53°F Avg Temperature 275 sunny days/yr

707 Violent Crime/100K 1,699 property/100K

Overall

3.4 / 5.0

Good overall score based on economy, affordability, safety and education

A+

Economy

5.0 / 5.0

$179,333 median income, 0.0% unemployment

C+

Affordability

2.6 / 5.0

$1,293,800 home value, $2,224/mo rent

Safety

1.0 / 5.0

707 violent crimes/100K (86% above avg)

A+

Education

5.0 / 5.0

56.9% bachelor's degree or higher

Change Over Time (2021, 2023)

Population Change

-13.5%

620 → 536

over 2 years

Annual Pop. Growth

-7.02%

Compound annual growth rate

Median Income Change

+12.8%

$159,042 → $179,333

nominal, not inflation-adjusted

Annual Income Growth

+6.19%

Compound annual growth rate

Population Over Time

Total population for Llewellyn Park across each available Census ACS release.

Median Household Income Over Time

Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).

Projected 2030

Simple projections extrapolating the 2021, 2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts, real outcomes depend on migration, policy and economic shifts.

Projected Population 2030

322

-214 from 2023 (536)

Projected Median Income 2030

$273,052

+$93,719 from 2023 ($179,333)

Year-by-Year Detail

Year	Population	YoY %	Median Income	YoY %
2021	620	-	$159,042	-
2023	536	-13.5%	$179,333	+12.8%

Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.