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What Cities Have Been The Capital Of Iowa?

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Last updated on 6 min read
Iowa has had two state capitals since statehood in 1846: Iowa City (1846–1857) and Des Moines (1857–present).

Quick Fact: The gold-domed Iowa State Capitol in Des Moines stands 275 feet tall, crowned with 23-karat gold Iowa Capitol Commission.

What was Iowa’s first capital after statehood?

Iowa City served as the first capital after statehood in 1846.

That’s right—when Iowa joined the Union in 1846, lawmakers picked Iowa City as their temporary seat of government. The move made sense at the time, since Iowa City sat closer to the state’s southeastern edge, where many early settlers had already put down roots.

Why did Iowa move its capital from Iowa City to Des Moines?

The capital moved to Des Moines in 1857 because the city’s central location better served the growing population.

Now, here’s the thing: Iowa City was fine when the state was smaller, but as pioneers pushed westward, leaders realized they needed a capital that wasn’t stuck in the southeast corner. Des Moines, sitting right along the Des Moines River and smack in the middle of the state, was the obvious upgrade. Plus, the new railroads and later highways made it easier for lawmakers to reach.

Where was Iowa’s territorial capital before statehood?

Iowa City was the territorial capital before Iowa became a state in 1846.

Honestly, this makes perfect sense. Iowa Territory was organized in 1838, and officials needed a central place to work. They chose Iowa City—then a small but growing settlement—because it was accessible to early settlers moving in from the east. The first capitol building went up fast, using limestone dug right out of local quarries.

How long did Iowa City serve as the state capital?

Iowa City served as the state capital for 11 years, from 1846 to 1857.

That’s not a long run, but it covered the early years of statehood. The whole operation was pretty makeshift—imagine hauling legislative records, bookshelves, and even wooden benches by wagon when the capital relocated. Those 11 years set the stage for Des Moines to take over.

What’s the population difference between Iowa City and Des Moines today?

As of 2026 estimates, Des Moines has about 249,559 residents, while Iowa City has around 80,505.

That’s a huge gap. Des Moines isn’t just the capital—it’s Iowa’s biggest city by far. The metro area now stretches over 700,000 people, making it the political and economic heartbeat of the state. Iowa City, meanwhile, remains a vibrant college town thanks to the University of Iowa.

Which county is Des Moines located in?

Des Moines sits in Polk County.

Polk County is basically the core of Iowa’s government and business scene. If you’re looking at a map, Des Moines is right in the middle of the state, with Polk County acting as the anchor for everything from state agencies to major highways.

Which county was home to Iowa City when it was the capital?

Iowa City was in Johnson County.

Johnson County’s claim to fame isn’t just the old capital—it’s also home to the University of Iowa, which gives the area a young, energetic vibe. Back in the 1840s and 50s, though, it was all about government business.

What materials were used to build Iowa’s first capitol in Iowa City?
The first capitol in Iowa City was built using locally quarried limestone.

They didn’t mess around with fancy imports back then. Workers used whatever stone they could dig up nearby, which kept costs down but also gave the building a sturdy, no-nonsense look. That limestone held up surprisingly well—some parts of the original structure still stand today at the Old Capitol Museum.

What’s special about Des Moines’ current capitol building?

Des Moines’ current capitol, completed in 1886, features marble from Vermont and Italy and a regilded 23-karat gold dome.

This place is a showstopper. The dome alone is a landmark—275 feet tall and covered in real gold leaf (last redone in 2014, by the way). Inside, you’ll find marble imported from two different countries, plus restored legislative chambers that scream “grand old government building.” Honestly, it’s one of the most impressive capitols in the Midwest.

How far did officials travel when moving the capital from Iowa City to Des Moines?

Officials transported government records and furniture nearly 100 miles by wagon.

Picture this: a caravan of wagons hauling desks, bookshelves, and even the legislative benches over rough roads in the 1850s. That’s no small feat. The trip from Iowa City to Des Moines wasn’t just a move—it was a logistical challenge that took serious planning.

What historical shift in transportation influenced Iowa’s capital move?

The shift from river trade to rail and later interstate highways influenced the capital move to Des Moines.

Here’s the thing: Iowa’s early economy relied on rivers like the Mississippi and Des Moines River. But as railroads spread across the state in the mid-1800s, Des Moines became a hub. By the time highways arrived in the 20th century, the city was already the obvious choice for government and commerce.

Can you visit the old capitol buildings in Iowa?

Yes—Des Moines’ Iowa State Capitol and Iowa City’s Old Capitol Museum are both open to the public.

If you’re in Des Moines, swing by the State Capitol at 1007 E Grand Ave. Free guided tours run daily, and the gold dome alone is worth the trip. Over in Iowa City, the Old Capitol Museum at 21 N Clinton St offers a deep dive into the state’s early days. Both spots give you a real sense of Iowa’s political history.

What’s the address of the current Iowa State Capitol?

The Iowa State Capitol is located at 1007 E Grand Ave, Des Moines, IA 50319.

Easy to remember: just head to East Grand Avenue in Des Moines. The building sits at 41.5868° N, 93.6250° W if you’re using GPS. Parking’s usually available nearby, and the guided tours make it simple to explore.

Where can you find Iowa City’s Old Capitol Museum?

Iowa City’s Old Capitol Museum is at 21 N Clinton St.

This place isn’t just a museum—it’s a piece of Iowa’s founding story. The building itself was the original seat of government, and today it houses exhibits on early statehood, frontier life, and even the capital’s move to Des Moines. The coordinates are 41.6611° N, 91.5303° W, so it’s right in the heart of downtown Iowa City.

What year was Des Moines’ current capitol completed?

Des Moines’ current capitol was completed in 1886.

That’s over 140 years of history in one building. The architects went all out with marble, grand staircases, and that iconic gold dome. Even today, it’s still the beating heart of Iowa’s government—and a must-see if you’re visiting Des Moines.

James Cartwright
Author

James Cartwright is a geography writer and former high school geography teacher who has spent 20 years making maps and distances interesting. He can name every capital city from memory and insists that geography is the most underrated subject in school.

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