State

Connecticut: elevation, cities and highest point

Connecticut has 3,688,496 people (2025) and 9 planning regions. Its highest point is the south slope of Mount Frissell, at 2,380 ft, and its lowest, the Long Island Sound, at sea level. Here you’ll find the elevation of its capital, with a map of its planning regions.

By the Mapsfera Team

Population (2025): 3,688,496; The 29th most populous of the 50 states
Land area: 4,842 sq mi; The 48th largest state
Planning regions: 9; According to the Census (2025)
Capital: Hartford; At 50 ft · the 42nd highest state capital
Highest point: 2,380 ft; the south slope of Mount Frissell · the 36th highest of the 50 state high points
Lowest point: Sea level; Long Island Sound

Map of Connecticut’s planning regions

Capital’s planning region
Planning region with a city page
City, by elevation
Highest point

Printable blank map

Elevation

The capital, Hartford, sits at 50 ft (15 m): the 42nd highest of the 50 state capitals. Connecticut’s highest point, the south slope of Mount Frissell, is 2,330 ft higher.

The USGS table gives its highest point, the south slope of Mount Frissell, 2,380 ft. It has no page of its own because the official gazetteer (GNIS) has no point for it: it’s on the slope of Mount Frissell, whose summit is in Massachusetts.

Connecticut borders 3 states. Their highest points are Jerimoth Hill, in Rhode Island (812 ft), Mount Marcy, in New York (5,344 ft), and Mount Greylock, in Massachusetts (3,491 ft): Connecticut’s is the 3rd highest of the 4. Their capitals: Providence (9 ft), Albany (143 ft), and Boston (48 ft).

Hartford 50 ft

Population

Connecticut had 3,688,496 residents on July 1, 2025, according to Census Bureau estimates, 2.2% more than in April 2020 (3,607,750). Across 4,842 sq mi of land, that’s 762 people/sq mi.

Its most populous place is Bridgeport, with 152,273 people. The Census counts 215 cities, towns and census-designated places (CDPs) in Connecticut.

The most populous places in Connecticut
Place	Population	Land area	Elevation
Bridgeport	152,273	16.1 sq mi	—
Stamford	139,535	37.6 sq mi	—
New Haven	138,774	18.7 sq mi	—
Hartford	121,981	17.4 sq mi	50 ft
Waterbury	115,771	28.6 sq mi	—
Norwalk	94,508	22.9 sq mi	—
Danbury	89,033	42.0 sq mi	—
New Britain	76,286	13.4 sq mi	—
West Hartford	63,620	21.8 sq mi	—
Bristol	62,341	26.4 sq mi	—

Neighboring states

Tools

Map of Capitol Planning Region A county on the map with all its cities and towns, ready to print. Blank map of Connecticut planning regions Blank, with names or to color in, on Letter or A4. US county map Population, income and area of every county on a color-coded map. What county am I in? Your county, city and ZIP code, from your location. US time zone map What time it is in each state and where the clocks change. Elevation of a point Look up any town in Connecticut and see its elevation.

Frequently asked questions

What is the highest point in Connecticut?

South slope of Mount Frissell, at 2,380 ft, according to the USGS table. It’s the 36th highest of the 50 state high points.

What is the lowest point in Connecticut?

The Long Island Sound, at sea level, according to the same USGS table.

What is the elevation of Hartford, the capital?

50 ft above sea level, at its reference point in the USGS gazetteer. It’s the 42nd highest state capital.

How many planning regions does Connecticut have?

9, according to the Census Bureau in 2025.

Sources

Population, land area and counties: U.S. Census Bureau (Vintage 2025 estimates and 2025 Gazetteer), public domain.
Highest and lowest points: USGS, “Elevations and Distances in the United States” (and, for Denali, the 2015 survey), public domain.
City elevations: USGS 3DEP at each city’s GNIS point, public domain.
County map: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).

Methodology and sources · Spotted a mistake? Let us know