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Williamstown, NJ Utility & Living Guide

Williamstown is an unincorporated community and census-designated place (CDP) located in Monroe Township in Gloucester County, in the U.S. state of New Jersey. As of the 2020 census, Williamstown had a population of 15,082.

Last updated: June 29, 2026

Total Utilities$305/mo

1BR Rent$1049/mo

Sales Tax7.5%

COL Index105 (+5% above national average)

Family Score6/10

Median Home$239,900

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🌤️ Live Weather — Williamstown

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⚠️ Natural Hazard History — Williamstown

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💰 Budget Calculator

🔌 Utilities

🏠 Housing

📊 Cost of Living

💰 Taxes

👨‍👩‍👧 Families

🧮 Tools

Monthly Utility Costs

⚡ Electric

$120/mo

Atlantic City Electric

🔥 Gas

$50/mo

South Jersey Gas

💧 Water

$45/mo

Monroe Township Municipal Utilities Authority

🗑️ Garbage

$25/mo

Republic Services

📶 Internet

$65/mo

Combined Average Overhead$305/month

Housing Market

Rent & Property
1 Bedroom	$1049/mo
2 Bedrooms	$1166/mo
3 Bedrooms	$1457/mo
Median Home Price	$239,900
Property Tax Rate	1.2%
Avg Childcare/mo	$1000

The housing market in Williamstown is competitive, with steady demand for single-family homes. Prices have risen moderately over the past few years due to its affordability compared to nearby cities.

Cost of Living

Overall COL Index

105

US national avg = 100

vs National Avg

+5% above national average

Groceries

102

Transportation

Healthcare

100

Childcare/mo

$1000

Tax Rates

Tax Overview
Total Sales Tax	7.5%
Property Tax Rate	1.2%
<p>State 6.625% + County 0% + City 0.875%</p>

New Jersey has a progressive income tax system with rates ranging from 1.4% to 10.75%.

Family & Relocation

Family Vibe Score

6/10

Safety Index

Higher = safer

School Rating

6.5/10

GreatSchools avg

Avg Childcare

$1000/mo

City Pulse

Population Trend

+3% (growing)

Political Climate

Purple (mixed Republican and Democratic leanings)

Business Momentum

Moderate with key industries in retail, healthcare, and logistics

Top Local Concerns

Property taxes, school funding, traffic congestion

🚌 Transit for Families

Limited public transit options; most families rely on cars, but sidewalks are generally well-maintained.

🎡 Top Kid Attractions

🎯
Monroe Township Library
🎯
Williamstown Lake Park
🎯
Funzilla

Best Neighborhoods for Families

The Oak Valley and Chestnut Ridge areas are popular for families due to their proximity to schools and parks. These neighborhoods offer a mix of single-family homes and townhouses.

Household Budget Calculator

Estimate your real monthly cost of living in Williamstown based on your household profile.

📰 Live Local News

Residents must obtain permits for home renovations and adhere to strict zoning laws for property use.

Financial Tools

Calculators

Income Tax CalculatorEstimate take-home pay by state
Mortgage CalculatorMonthly payment estimator
Affordability CalculatorHow much home can you afford?
Childcare Cost EstimatorCompare daycare costs by city

Planning Tools

Retirement PlannerRetirement readiness check
Car Lease CalculatorMonthly lease payment estimator
Savings CalculatorGrow your emergency fund
City Comparison ToolCompare cities side by side

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📊 Williamstown — Census & Demographic Data

Official data from the US Census Bureau, American Community Survey.

💰 Median Household Income

$89,567

👤 Median Age

40.8

🏠 Homeownership Rate

82.7%

🔑 Renter Rate

17.3%

📉 Poverty Rate

5.9%

💼 Unemployment Rate

5.7%

📡 Internet Access

86.0%

🎓 College Educated

25.2%

☀️ Seasonal Utility Costs

Electricity costs peak in summer due to air conditioning use, while gas bills rise in winter for heating. Water usage remains relatively stable year-round.