• county
  • FIPS 29059
  • Largest town: Buffalo

Dallas County, Missouri

Dallas County had 17,877 residents in the Census Vintage 2024 estimate, on 541.0 square miles of land. It ranks 62nd of 115 in Missouri by population and 70th by land area.

Population
17,877
#62 of 115 in Missouri · #1,939 in US
Area
541.0 sq mi
#70 of 115 in Missouri · #1,931 in US
Density
33 / sq mi
#53 of 115 in Missouri · #1,838 in US
Median household income
$63,112
#32 of 115 in Missouri · #1,549 in US

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

Dallas County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Dallas County

Dallas County population, land area and income

Dallas County had 17,877 residents in the Census Vintage 2024 estimate, on 541.0 square miles of land. It ranks 62nd of 115 in Missouri by population and 70th by land area. That works out to 33.0 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Missouri has 19,100 residents, about the same as Dallas County.

Its SAIPE 2023 median household income of $63,112 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

17,877

3144th1st

1939th of 3,144 (US)

Land area

541 sq mi

3144th1st

1931st of 3,144 (US)

Density

33.0 / sq mi

3144th1st

1838th of 3,144 (US)

Median household income

$63,112

3143rd1st

1549th of 3,143 (US)

Rank within Missouri (115)

Population

17,877

115th1st

62nd of 115 (MO)

Land area

541 sq mi

115th1st

70th of 115 (MO)

Density

33.0 / sq mi

115th1st

53rd of 115 (MO)

Median household income

$63,112

115th1st

32nd of 115 (MO)

How Dallas County's population changed since 2020

Dallas County gained 745 residents between the July 2020 and July 2024 estimates, a rise of 4.3%. That ranks 21st of 115 in Missouri for growth. The median Missouri county changed by +1.4%, and the state as a whole by +1.5%.

Since the April 2020 estimates base, Dallas County recorded 883 births and 1,135 deaths, a natural change of -252. Net international migration added +40 and net domestic migration, people moving to or from other US counties, came to +1,018. The largest single component was domestic migration, which added 1,018 people.

17.1k202017.3k202117.6k202217.8k202317.9k2024
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
883
Deaths
1,135
Net international migration
+40
Net domestic migration
+1,018
Change, July 2023 to July 2024
+84

Where Dallas County is

The Census internal point of Dallas County is at 37.683600, -93.033800. It sits in UTM zone 15N. The map shades Missouri's 115 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.

Pettis County: +1.8%Henry County: +2.7%Texas County: +5.7%Madison County: +1.8%St. Louis city: -6.9%Cole County: +1.3%Washington County: +0.6%Macon County: -0.1%Barton County: +0.8%Grundy County: +0.1%Cedar County: +5.7%Randolph County: -1.6%Ray County: +0.3%Caldwell County: +2.0%Benton County: +6.1%Douglas County: +5.9%Shannon County: +3.4%Dade County: +0.5%Wright County: +7.1%Gentry County: +2.6%Lawrence County: +3.0%Cooper County: +2.9%Hickory County: +5.6%Moniteau County: +0.5%Dent County: +2.3%Monroe County: +2.3%Maries County: +0.7%Bollinger County: +0.5%Clinton County: +2.4%Knox County: +0.0%Webster County: +7.8%Harrison County: +0.4%Pulaski County: -0.1%Adair County: +1.5%Warren County: +7.7%Daviess County: +1.3%Audrain County: -1.9%Howard County: -0.1%Linn County: +0.4%Saline County: -0.1%Miller County: +3.6%Dallas County: +4.3%Morgan County: +6.7%New Madrid County: -6.8%Newton County: +4.8%Oregon County: +1.0%Franklin County: +2.3%Greene County: +2.9%Ralls County: +1.4%Lafayette County: +1.4%Livingston County: +4.8%McDonald County: +3.3%Barry County: +3.1%Cape Girardeau County: +2.2%Carroll County: -0.6%Christian County: +7.6%Vernon County: +0.6%Carter County: +3.0%Andrew County: -0.1%Jasper County: +2.9%Worth County: -4.9%Lincoln County: +10.1%Marion County: -0.2%Holt County: +1.2%Howell County: +2.4%St. Francois County: +1.6%Chariton County: +0.1%Butler County: -0.6%Iron County: -1.0%Perry County: +0.7%Cass County: +5.3%St. Louis County: -1.0%Dunklin County: -4.3%Wayne County: -1.1%Ozark County: +6.7%Laclede County: +1.9%Reynolds County: -2.5%Lewis County: -1.9%Taney County: +1.2%Ripley County: +0.4%Ste. Genevieve County: +0.4%Scotland County: -0.1%Putnam County: -3.1%Schuyler County: +1.5%Shelby County: -2.8%Boone County: +4.4%Mercer County: -1.7%Platte County: +5.6%Camden County: +3.1%Bates County: +2.1%Johnson County: +3.4%Sullivan County: -3.8%Atchison County: -3.1%Scott County: -0.2%Montgomery County: +2.0%Jefferson County: +2.2%Clark County: -0.5%Callaway County: +1.8%St. Clair County: +5.4%Buchanan County: -1.1%Pemiscot County: -7.6%Polk County: +4.6%Phelps County: +2.5%Stone County: +4.6%Osage County: +1.7%Clay County: +3.6%Nodaway County: -2.4%Crawford County: -1.0%Jackson County: +1.4%St. Charles County: +4.3%Mississippi County: -3.1%Pike County: +3.1%Stoddard County: -0.7%Gasconade County: -0.7%DeKalb County: -14.8%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.5%
  3. < +2.0%
  4. < +3.6%
  5. ≥ +3.6%
no data

Orange pin: Dallas County internal point. Dark pin: Jefferson City.

Internal point

Decimal
37.683600, -93.033800
DMS
37°41'0.96"N 93°02'1.68"W
UTM
15N 497019.7E 4170711.3N
Geohash
9yty6unfg
Plus code
8698MXM8+CF

Towns in Dallas County

One incorporated place of 1,000+ people has residents in Dallas County, 3,512 people together, or 20% 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 Buffalo with 3,512.

  1. 01Buffalo3,512
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Dallas County

The Census 2024 county adjacency file lists 6 neighbors for Dallas County. The most populous is Greene County, MO, with 307,942 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 77.6 miles NE of Dallas County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, MO (population 170,596), 36.7 miles away. The nearest place of 10,000 or more is Lebanon, MO (population 15,538), 20.4 miles away.

Dallas County FIPS code

The FIPS code of Dallas County is 29059: state code 29 for Missouri plus county code 059. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,112.

Questions people ask

What is the population of Dallas County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 17,877. That is up 745 people (4.3%) from the July 2020 estimate of 17,132.

What is the FIPS code of Dallas County?

29059. The first two digits (29) are Missouri; the last three (059) identify the county.

What is the largest town in Dallas County?

Buffalo, with 3,512 residents inside Dallas County in 2024.

Which counties border Dallas County?

6 county-equivalents border it in the Census 2024 adjacency file: Greene County, MO; Camden County, MO; Webster County, MO; Laclede County, MO; Polk County, MO; Hickory County, MO.

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.