All Countries
Colonia, NJ
Full City Profile · New Jersey · Union County County
3.8
/5.0
B+
Good
18,294
Population
4,539/sq mi density
$134,301
Median Income
$51,419 per capita
$473,200
Home Value
$621,925 Zillow
$1,964
Median Rent
33.2% income on rent
55°F
Avg Temperature
275 sunny days/yr
181
Violent Crime/100K
1,092 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$134,301 median income, 2.8% unemployment
A+
Affordability
4.7 / 5.0
$473,200 home value, $1,964/mo rent
F
Safety
1.0 / 5.0
181 violent crimes/100K
A+
Education
4.7 / 5.0
46.5% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+5.4%
17,352 → 18,294
over 10 years
Annual Pop. Growth
+0.53%
Compound annual growth rate
Median Income Change
+52.1%
$88,298 → $134,301
nominal, not inflation-adjusted
Annual Income Growth
+4.28%
Compound annual growth rate
Population Over Time
Total population for Colonia 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 2013–2023 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
18,984
+690 from 2023 (18,294)
Projected Median Income 2030
$180,089
+$45,788 from 2023 ($134,301)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 17,352 | — | $88,298 | — |
| 2015 | 17,517 | +1% | $94,474 | +7% |
| 2017 | 17,486 | -0.2% | $102,979 | +9% |
| 2019 | 17,801 | +1.8% | $112,590 | +9.3% |
| 2021 | 18,776 | +5.5% | $109,331 | -2.9% |
| 2023 | 18,294 | -2.6% | $134,301 | +22.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.