The map above shows Connecticut and Iowa side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs Iowa Geography
Land area
- Connecticut has a land area of 4,843 square miles (12,542 km²), while Iowa has 55,854 square miles (144,660 km²).
- Iowa's land area is 11.5 times larger than Connecticut's.
Total area
- Connecticut: 5,544 square miles (14,358 km²) vs Iowa: 56,273 square miles (145,746 km²), including inland and coastal water.
- Iowa's total area is 10.2 times larger than Connecticut's.
Length
- Connecticut is 73 miles (118 km) long from north to south; Iowa is 216 miles (347 km).
- Iowa's north-south length is 3.0 times (196%) longer than Connecticut's.
Width
- Connecticut spans 104 miles (167 km) east to west; Iowa spans 335 miles (539 km).
- Iowa's east-west width is 3.2 times (222%) wider than Connecticut's.
Highest point
- Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); Iowa's is Hawkeye Point at 1,669 feet (509 m).
- Mount Frissell (south slope) is 707 feet higher than Hawkeye Point.
Lowest point
- Connecticut's lowest point is Long Island Sound at 0 feet; Iowa's is Mississippi River at 480 feet.
- Connecticut's lowest point is 480 feet lower.
Connecticut vs Iowa Population and History
Population
- Connecticut has a population of 3,675,069 (2024), while Iowa has 3,241,488 (2024).
- Connecticut's population is 1.1 times (13%) larger than Iowa's.
Population density
- Connecticut: 758.9 people per square mile vs Iowa: 58.0.
- Connecticut's population density is 13.1 times higher than Iowa's.
Biggest city
- Connecticut's biggest city is Bridgeport with 151,599 people; Iowa's is Des Moines with 213,096.
- Des Moines' population is 1.4 times (41%) larger than Bridgeport's.
Largest metro area
- Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs Iowa's Omaha, NE-IA metro area (1,001,010).
- Hartford-West Hartford-East Hartford, CT metro area's population is 1.2 times (17%) larger than Omaha, NE-IA metro area's.
History
- Connecticut: Admitted to the Union on January 9, 1788, as the 5th state.
- Iowa: Admitted to the Union on December 28, 1846, as the 29th state.
- In its current form, Connecticut is the older of the two by 58 years.
Connecticut vs Iowa Economy
GDP
- Connecticut's GDP is $356.8 billion (2024) vs Iowa's $265.8 billion.
- Connecticut's economic output is 1.3 times (34%) larger than Iowa's.
GDP per capita
- Connecticut: $97,096 per person vs Iowa: $81,998.
- Connecticut's GDP per capita is 1.2 times (18%) higher than Iowa's.
Average income
- Connecticut: $95,067 vs Iowa: $65,225 average income per person (per capita personal income).
- Connecticut's average income is 1.5 times (46%) higher than Iowa's.
Connecticut vs Iowa Counties
Number of counties
- Connecticut has 9 counties, while Iowa has 99.
- Iowa's county count is 11.0 times higher than Connecticut's.
Biggest county by area
- Connecticut's largest county is Capitol Planning Region at 1,027 square miles; Iowa's is Kossuth County at 973 square miles.
- Capitol Planning Region's land area is 1.1 times (6%) larger than Kossuth County's.
Smallest county by area
- Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs Iowa: Dickinson County (381 sq mi).
- Dickinson County's land area is 2.7 times (171%) larger than Greater Bridgeport Planning Region's.
Most populous county
- Connecticut: Capitol Planning Region (991,508 people) vs Iowa: Polk County (516,185 people).
- Capitol Planning Region's population is 1.9 times (92%) larger than Polk County's.
Least populous county
- Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs Iowa: Adams County (3,606 people).
- Northeastern Connecticut Planning Region's population is 27.1 times larger than Adams County's.
Richest county
- Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs Iowa: Mitchell County ($98,211).
- Western Connecticut Planning Region's income is 1.7 times (69%) richer than Mitchell County's.
Poorest county
- Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs Iowa: Decatur County ($46,134).
- Southeastern Connecticut Planning Region's income is 1.4 times (41%) richer than Decatur County's.
Connecticut vs Iowa Taxes
State income tax
- Connecticut has a top income tax rate of 6.99%, while Iowa has a top income tax rate of 3.8%.
- Connecticut's top rate is 3.19 percentage points higher.
Property tax
- Connecticut: 1.66% effective rate vs Iowa: 1.29% of home value per year.
- Connecticut's rate is 0.37 percentage points higher.
Sales tax
- Connecticut: 6.35% combined state and average local rate vs Iowa: 6.94%.
- Iowa's combined rate is 0.59 percentage points higher.
Official Websites
Connecticut official website · Iowa official website
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More Size Comparisons
All Connecticut size comparisons · All Iowa size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.