• county
  • FIPS 19049
  • Largest town: Waukee

Dallas County, Iowa

Dallas County had 115,343 residents in the Census Vintage 2024 estimate, on 588.2 square miles of land. It ranks 6th of 99 in Iowa by population and 24th by land area.

Population
115,343
#6 of 99 in Iowa · #550 in US
Area
588.2 sq mi
#24 of 99 in Iowa · #1,666 in US
Density
196 / sq mi
#6 of 99 in Iowa · #572 in US
Median household income
$102,189
#1 of 99 in Iowa · #117 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Dallas County within Iowa. Pin: Des Moines.

Measure from here

Tools and pages that start from Dallas County

Dallas County population, land area and income

Dallas County had 115,343 residents in the Census Vintage 2024 estimate, on 588.2 square miles of land. It ranks 6th of 99 in Iowa by population and 24th by land area. That works out to 196.1 people per square mile, 2.0 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Iowa has 15,008 residents, so Dallas County is 7.7 times that size.

Its SAIPE 2023 median household income of $102,189 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

115,343

3144th1st

550th of 3,144 (US)

Land area

588 sq mi

3144th1st

1666th of 3,144 (US)

Density

196.1 / sq mi

3144th1st

572nd of 3,144 (US)

Median household income

$102,189

3143rd1st

117th of 3,143 (US)

Rank within Iowa (99)

Population

115,343

99th1st

6th of 99 (IA)

Land area

588 sq mi

99th1st

24th of 99 (IA)

Density

196.1 / sq mi

99th1st

6th of 99 (IA)

Median household income

$102,189

99th1st

1st of 99 (IA)

How Dallas County's population changed since 2020

Dallas County gained 14,799 residents between the July 2020 and July 2024 estimates, a rise of 14.7%. That ranks 1st of 99 in Iowa for growth. The median Iowa county changed by -0.6%, and the state as a whole by +1.6%.

Since the April 2020 estimates base, Dallas County recorded 5,825 births and 2,643 deaths, a natural change of +3,182. Net international migration added +2,139 and net domestic migration, people moving to or from other US counties, came to +10,292. The largest single component was domestic migration, which added 10,292 people.

100.5k2020104.2k2021108.2k2022111.6k2023115.3k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
5,825
Deaths
2,643
Net international migration
+2,139
Net domestic migration
+10,292
Change, July 2023 to July 2024
+3,750

Where Dallas County is

The Census internal point of Dallas County is at 41.685300, -94.040700. It sits in UTM zone 15N. The map shades Iowa's 99 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Dallas County outlined. Dots are towns of 1,000+ people with residents in it.

Monroe County: -2.9%Worth County: -1.7%Buena Vista County: +0.0%Jasper County: +0.8%Van Buren County: -0.0%Hardin County: -2.2%Ida County: -3.1%Marshall County: +0.8%Fayette County: -1.5%Ringgold County: -0.8%Wapello County: +1.0%Webster County: -0.2%Adams County: -2.8%Buchanan County: +0.6%Cerro Gordo County: -1.2%Lucas County: +1.6%Emmet County: -1.9%Floyd County: -3.8%Crawford County: -0.7%Linn County: +0.6%Montgomery County: -2.6%Polk County: +4.7%Cherokee County: +0.0%Bremer County: +1.3%Grundy County: +0.5%Adair County: -0.8%Cedar County: -1.4%Story County: +3.9%Mahaska County: -0.6%Davis County: +0.9%Clay County: +0.8%Johnson County: +4.6%Greene County: -1.0%Palo Alto County: -2.0%Benton County: +1.0%Cass County: -0.7%Wright County: -1.5%Audubon County: -2.1%Henry County: -5.3%Boone County: +0.1%Appanoose County: -1.4%Washington County: +0.4%Chickasaw County: -2.2%Poweshiek County: -0.9%Osceola County: -2.6%Wayne County: +1.8%Mitchell County: +0.4%Jefferson County: +0.5%Union County: -1.4%Butler County: -1.2%Hancock County: -1.3%Marion County: +1.9%Delaware County: +0.9%Humboldt County: +0.2%Sioux County: +1.8%Des Moines County: -1.1%O'Brien County: +0.8%Clayton County: -0.6%Black Hawk County: +1.0%Winnebago County: -2.6%Harrison County: +0.4%Decatur County: -1.0%Pocahontas County: -0.9%Lyon County: +3.8%Iowa County: -1.4%Franklin County: +0.3%Dickinson County: +2.2%Madison County: +3.2%Allamakee County: +0.8%Jones County: +2.2%Carroll County: -1.6%Kossuth County: -2.6%Hamilton County: -1.0%Howard County: -1.4%Page County: -1.1%Guthrie County: +1.5%Tama County: -1.8%Monona County: -3.6%Clarke County: -2.1%Lee County: -3.4%Mills County: +2.1%Sac County: -2.7%Scott County: +0.6%Keokuk County: -1.6%Jackson County: -0.3%Warren County: +7.1%Calhoun County: -1.9%Shelby County: +0.8%Fremont County: -1.1%Dubuque County: -0.1%Louisa County: -1.8%Taylor County: -0.6%Woodbury County: +1.2%Clinton County: -0.9%Winneshiek County: -1.6%Pottawattamie County: -0.1%Plymouth County: +0.5%Muscatine County: -2.4%Dallas County: +14.7%
Change 2020 to 2024
  1. < -1.9%
  2. < -1.0%
  3. < +0.0%
  4. < +0.9%
  5. ≥ +0.9%
no data

Orange pin: Dallas County internal point. Dark pin: Des Moines.

Internal point

Decimal
41.685300, -94.040700
DMS
41°41'7.08"N 94°02'26.52"W
UTM
15N 413387.8E 4615359.6N
Geohash
9zmjhh9dk
Plus code
86H7MXP5+4P

Towns in Dallas County

11 incorporated places of 1,000+ people have residents in Dallas County, 101,218 people together, or 88% of the county. Each figure counts only the part of the town inside Dallas County; towns marked "part" extend into another county. The largest is Waukee with 34,420.

  1. 01Waukee34,420
  2. 02West Des Moines (part)24,723
  3. 03Urbandale (part)12,447
  4. 04Clive (part)8,358
  5. 05Perry8,046
  6. 06Adel6,763
  7. 07Dallas Center1,993
  8. 08Van Meter1,840
  9. 09Granger (part)1,551
  10. 10Woodward (part)1,043
  11. 11Grimes (part)34
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Dallas County

The Census 2024 county adjacency file lists 7 neighbors for Dallas County. The most populous is Polk County, IA, with 516,185 residents. Distances run between Census internal points in a straight line.

Distance to Des Moines and the nearest big city

Des Moines is 23.5 miles ESE of Dallas County's internal point in a straight line. The nearest place of 100,000 or more is Des Moines, IA (population 213,096), 23.5 miles away. The nearest place of 10,000 or more is Waukee, IA (population 34,420), 10.4 miles away.

Dallas County FIPS code

The FIPS code of Dallas County is 19049: state code 19 for Iowa plus county code 049. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $102,189.

Questions people ask

What is the population of Dallas County, Iowa?

The Census Vintage 2024 estimate for July 1, 2024 is 115,343. That is up 14,799 people (14.7%) from the July 2020 estimate of 100,544.

What is the FIPS code of Dallas County?

19049. The first two digits (19) are Iowa; the last three (049) identify the county.

What is the largest town in Dallas County?

Waukee, with 34,420 residents inside Dallas County in 2024.

Which counties border Dallas County?

7 county-equivalents border it in the Census 2024 adjacency file: Polk County, IA; Warren County, IA; Boone County, IA; Madison County, IA; Guthrie County, IA; Greene County, IA; Adair County, IA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.