geography

Which Is the 4th Smallest State in the United States

When ranking U.S. states by land area, the fourth smallest state is New Jersey. It covers approximately 8,723 square miles (22,591 square kilometers) of land, placing it ahead o...

Mara Ellison
Which Is the 4th Smallest State in the United States

Overview: Identifying the 4th Smallest State

When ranking U.S. states by land area, the fourth smallest state is New Jersey. It covers approximately 8,723 square miles (22,591 square kilometers) of land, placing it ahead of only Delaware, Rhode Island, and Connecticut in compactness. This overview provides evergreen context for size comparisons, geographic characteristics, and practical references, focusing on stable attributes rather than transient events. The details below support accurate understanding and reliable use cases such as education, planning, and research.

Size and Area Context

U.S. State Size Rankings at a Glance

Understanding where New Jersey ranks among all 50 states is easiest when viewed within the full ordered list by land area. Below are the four smallest states, verified against standard federal sources.

Rank by Land Area (smallest to largest)StateLand Area (sq mi)Land Area (sq km)Data Note
47Rhode Island1,0452,706Smallest state by land area
48Delaware1,9825,133Second smallest
49Connecticut4,84212,542Third smallest
50New Jersey8,72322,591Fourth smallest

New Jersey’s land area of 8,723 square miles makes it larger than Connecticut, Delaware, and Rhode Island but smaller than every other state. Its compactness is often overlooked due to high population density and prominent proximity to major metropolitan regions.

Geographic and Administrative Profile

Basic Characteristics

  • Official name: State of New Jersey
  • Common name: New Jersey
  • Region: Mid-Atlantic (Northeast Census division)
  • Statehood: December 18, 1787 (3rd state to ratify the U.S. Constitution)
  • Capital: Trenton
  • Largest city by population: Newark

Water Area and Total Area

Including inland water and coastal waters, New Jersey’s total area is roughly 9,215 square miles. Water area is notable due to its coastline on the Atlantic Ocean, Newark Bay, and tidal estuaries. Land area remains the most consistent metric for size ranking because it reflects usable and jurisdictional territory for governance and planning.

Population and Density Context

Size is multidimensional; land area does not capture demographic or functional scale. New Jersey is one of the most densely populated states, with a 2020 Census population of about 9.2 million. This combination of small land area and high population yields a residential and economic intensity that differs markedly from larger, less dense states.

MetricValueNotes
2020 Census population~9.2 millionResident population estimate
Population density~1,200 per sq mi (~460 per sq km)Among the highest in the nation
Median household income (recent estimates)~$85,000Subject to annual updates; varies by county

Key Features and Distinctions

  • Compact jurisdiction: Among the smallest five states by land area, yet economically prominent.
  • Transportation and infrastructure: Dense networks of roads, rail, and ports supporting regional commerce.
  • Coastal access: Atlantic shoreline and inland waterways contribute to recreation, tourism, and maritime industries.
  • Proximity to major metros: Neighboring New York City and Philadelphia influence employment, culture, and housing markets.

Comparisons with Other Small States

Placing New Jersey in context helps clarify its size relative to peers. Below is a concise comparison of the four smallest states by land area and notable attributes.

StateLand Area (sq mi)Population (2020 Census)RegionNotable Characteristic
Rhode Island1,045~1.1 millionNortheastSmallest state by land area
Delaware1,982~1.0 millionMid-AtlanticCorporate-friendly legal environment
Connecticut4,842~3.6 millionNew EnglandHigh per capita income
New Jersey8,723~9.2 millionMid-AtlanticDense population and major transportation hubs

Why Land Area Is the Standard Metric

Ranking states by land area, excluding water, supports consistent comparisons of territorial size. Total area including water can shift slightly depending on measurement methods and coastal delineation. Land area is preferred for fixed, jurisdiction-level comparisons and long-term reference because water boundaries can change with policy, mapping standards, and environmental factors.

Implications of Compactness

Being the fourth smallest state affects governance, service delivery, and lived experience. Smaller land area with high population density can drive demand for efficient infrastructure, housing, and environmental policies. It also means that New Jersey is frequently grouped with neighboring states in regional planning, economic analyses, and statistical reporting.

Summary

The fourth smallest state in the United States by land area is New Jersey, with approximately 8,723 square miles. It follows Rhode Island, Delaware, and Connecticut in compactness and stands out for its dense population, economic activity, and strategic location in the Mid-Atlantic region. These evergreen details support accurate comparisons and long-term reference needs.

FAQ

Reader questions

What is the smallest state in the United States?

Rhode Island is the smallest state by land area, with approximately 1,045 square miles.

Is New Jersey the fourth smallest state by population?

No. By population, New Jersey ranks 11th nationally as of the 2020 Census; size here refers to land area.

How does New Jersey’s size compare to other countries? At about 8,723 square miles, New Jersey is comparable in area to the country of Bahrain or the U.S. state of Maryland. Does water area change New Jersey’s ranking?

Including water area may shift total area slightly upward but does not change its rank among the four smallest states by land area.

What states are smaller than New Jersey in land area?

The states smaller than New Jersey in land area are Rhode Island, Delaware, and Connecticut.

Related Reading

More pages in this topic cluster.

Florida Maximum Elevation: A Clear, Authoritative Guide

Britton Hill is Florida’s highest natural point, with an elevation of 345 feet (105 meters) above mean sea level. It is located in the Florida Panhandle within Lakewood Park,...

Read next
What Is Juneau the Capital Of?

Juneau is the capital of Alaska, the United States state located in the northwest extremity of North America. As the state capital, Juneau hosts the Alaska State Capitol buildin...

Read next
Continents Ranked by Size from Largest to Smallsmallest

Continents ranked by size from largest to smallest are typically listed as Asia, Africa, North America, South America, Antarctica, Europe, and Australia. This ordering reflects...

Read next