What is the largest city in Scott County, IA?

Davenport is the largest city or town in Scott County, with about 100,913 residents.

How many ZIP codes are in Scott County?

Scott County includes 19 ZIP Code Tabulation Areas, including 52722, 52728, 52745, 52746, 52748.

What is the population of Scott County, IA?

About 174,608 people live in Scott County, based on American Community Survey 5-year estimates.

What counties border Scott County?

Scott County borders Rock Island County, IL, Clinton County, Muscatine County, Cedar County.

Scott County, IA: Cities, ZIP Codes & Local Data

Population

174,608

Land area

458sq mi

People per sq mi

381

ZIP codes

19

Scott County at a glance

Scott County is about 6.6 times as dense as Iowa as a whole.
By population, it ranks 3rd among 99 counties in Iowa.
The median household income is $78,277, 4% above the Iowa median of $75,059.
A typical owner-occupied home is valued at $222,000 (7% above Iowa) and median rent is $1,005 a month.
Its largest cities are Davenport (100,913), Bettendorf (39,647) and Eldridge (6,818).

Local data for Scott County, IA

Counts from official public data

Housing and community stats

Scott County, IA, American Community Survey 2020-2024

Full profile

Median household income

$78,277

Poverty rate

11.5%

Median home value

$222,000

Prices +4.1% in a year

Median rent

$1,005/mo

Homeownership

70.0%

Bachelor's or higher

36.6%

Median age

39.4

Average commute

20.3 min

Largest reported origins and ancestries: German Americans (53,607), Irish Americans (26,830), Mexican Americans (10,689).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.6%

Sep 2026, 0.0 pts in a year

Average annual pay

$62,669

92,986 jobs, 2025

Income per person

$70,007

BEA, 2024

Federal spending

$1.1B

FY 2026, $6,476 per person

PPP loans

$445M

5,375 loans, 49,458 jobs reported

Campaign donations

$885K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Scott County, IA, workers 16 and older. American Community Survey 5-year estimates

Drove alone78.5%
Carpooled6.9%
Public transit0.5%
Walked2.1%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.0%
Worked from home10.9%

Average one-way commute: 20.3 minutes for people who do not work from home.

Environment and hazard risk

Scott County, IA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

1,118

Most often thunderstorm wind

Flood insurance policies

553

0.9% of homes, county

July high / Jan low

84° / 14°F

36.2 inches of rain a year

Hazards, floods and storm history Check a flood zone 254 historic places

Health statistics

Share of adults in Scott County, IA, CDC PLACES estimates

All 40 measures

Obesity

40.6%

U.S. 33.3% +7.3 pts

Diabetes

11.0%

U.S. 12.1% -1.1 pts

Smoking

14.0%

U.S. 12.8% +1.2 pts

Uninsured (18-64)

6.9%

U.S. 11.1% -4.2 pts

Cities, towns and ZIP codes in Scott County

Population shown

Frequently asked questions

What is the largest city in Scott County, IA?: Davenport is the largest city or town in Scott County, with about 100,913 residents.
How many ZIP codes are in Scott County?: Scott County includes 19 ZIP Code Tabulation Areas, including 52722, 52728, 52745, 52746, 52748.
What is the population of Scott County, IA?: About 174,608 people live in Scott County, based on American Community Survey 5-year estimates.
What counties border Scott County?: Scott County borders Rock Island County, IL, Clinton County, Muscatine County, Cedar County.