Bordering states
Arkansas vs Missouri
Short answer
- AR
- 3,088,354
- MO
- 6,245,466
The two states, county by county
Both maps share one density scale, so the same shade means the same number of people per square mile on either side of the border. Darker counties are denser. Select a county to open its page.
Arkansas
Missouri
- < 15
- < 23
- < 35
- < 73
- ≥ 73
Side by side
| Measure | Arkansas | Missouri |
|---|---|---|
| Residents, 2024 | 3,088,354 | 6,245,466 |
| Rank by population | 33rd | 19th |
| Land, sq mi | 51,992 | 68,746 |
| People per sq mi | 59.4 | 90.8 |
| County-equivalents | 75 | 115 |
| Median county residents | 18,130 | 19,100 |
| Median county income | $50,387 | $56,121 |
| Most populous county | Pulaski County | St. Louis County |
| Largest county by land | Union County | Texas County |
| Capital | Little Rock | Jefferson City |
| Daylight at capital, June 21 | 14 h 29 min | 14 h 52 min |
| Census division | West South Central | West North Central |
Population and density
Missouri has 6,245,466 residents, 2.0 times Arkansas's 3,088,354. Arkansas ranks 33rd and Missouri 19th of the 50 states and DC. Missouri is the more crowded, with 90.8 people per square mile against 59.4, 53% more.
Land area
Missouri has 68,746 square miles of land, 32% more than Arkansas's 51,992. The largest county-equivalent in Arkansas is Union County at 1,039 square miles; in Missouri it is Texas County at 1,177.
Counties
Missouri is divided into 115 county-equivalents and Arkansas into 75, so an average Missouri county covers 598 square miles against 693. The typical county in Arkansas has 18,130 residents, against 19,100 in Missouri. The most populous are Pulaski County (401,209) and St. Louis County (992,929).
32 county names appear on both sides of the border: Benton, Boone, Carroll, Clark, Clay, Crawford, Dallas, Franklin, Greene, Howard, Jackson, Jefferson, Johnson, Lafayette, Lawrence, Lincoln, Madison, Marion, Miller, Mississippi, Monroe, Montgomery, Newton, Perry, Pike, Polk, Pulaski, Randolph, Saline, Scott, Stone, Washington. Use the FIPS code, not the name, when joining data across the two states.
Household income
The median county in Missouri has a household income of $56,121, 11% above Arkansas's $50,387. The highest county incomes are Benton County ($92,632) in Arkansas and St. Charles County ($98,765) in Missouri, from SAIPE 2023.
Capitals and daylight
Little Rock and Jefferson City are 265 miles apart in a straight line; from Little Rock the initial bearing is 1°, N. On June 21, 2026, Little Rock gets 14 h 29 min of daylight and Jefferson City 14 h 52 min; on December 21 the figures are 9 h 49 min and 9 h 28 min. Month by month tables are on the Little Rock and Jefferson City daylight pages.
Where they sit
The border between them is also a Census region boundary: Arkansas is in the South and Missouri in the Midwest. By county internal points, Arkansas spans 1 UTM zone and Missouri 2.
Questions people ask
Which is bigger, Arkansas or Missouri?
Missouri, with 68,746 square miles of land against 51,992, 1.32 times as large.
Which has more people, Arkansas or Missouri?
Missouri has 6,245,466 residents, 2.0 times Arkansas's 3,088,354.
How far is Little Rock from Jefferson City?
265 miles in a straight line, heading N (1°) from Little Rock.
Do Arkansas and Missouri have counties with the same name?
Yes, 32: Benton, Boone, Carroll, Clark, Clay, Crawford, Dallas, Franklin, Greene, Howard, Jackson, Jefferson, Johnson, Lafayette, Lawrence, Lincoln, Madison, Marion, Miller, Mississippi, Monroe, Montgomery, Newton, Perry, Pike, Polk, Pulaski, Randolph, Saline, Scott, Stone, Washington.
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.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Bureau regions and divisions of the United States (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.