• independent city
  • FIPS 29510
  • Largest town: St. Louis

St. Louis city, Missouri

St. Louis city had 279,695 residents in the Census Vintage 2024 estimate, on 61.7 square miles of land. It ranks 5th of 115 in Missouri by population and 115th by land area.

Population
279,695
#5 of 115 in Missouri · #261 in US
Area
61.7 sq mi
#115 of 115 in Missouri · #3,098 in US
Density
4,532 / sq mi
#1 of 115 in Missouri · #21 in US
Median household income
$55,231
#65 of 115 in Missouri · #2,305 in US

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

St. Louis city within Missouri. Pin: Jefferson City.

St. Louis city population, land area and income

St. Louis city had 279,695 residents in the Census Vintage 2024 estimate, on 61.7 square miles of land. It ranks 5th of 115 in Missouri by population and 115th by land area. That works out to 4,531.7 people per square mile, 47.1 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Missouri has 19,100 residents, so St. Louis city is 14.6 times that size.

Its SAIPE 2023 median household income of $55,231 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

279,695

3144th1st

261st of 3,144 (US)

Land area

62 sq mi

3144th1st

3098th of 3,144 (US)

Density

4,531.7 / sq mi

3144th1st

21st of 3,144 (US)

Median household income

$55,231

3143rd1st

2305th of 3,143 (US)

Rank within Missouri (115)

Population

279,695

115th1st

5th of 115 (MO)

Land area

62 sq mi

115th1st

115th of 115 (MO)

Density

4,531.7 / sq mi

115th1st

1st of 115 (MO)

Median household income

$55,231

115th1st

65th of 115 (MO)

How St. Louis city's population changed since 2020

St. Louis city lost 20,620 residents between the July 2020 and July 2024 estimates, a drop of 6.9%. That ranks 113th 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, St. Louis city recorded 14,623 births and 14,057 deaths, a natural change of +566. Net international migration added +5,910 and net domestic migration, people moving to or from other US counties, came to -28,135. The largest single component was domestic migration, which removed 28,135 people.

300.3k2020293.5k2021286.3k2022282.8k2023279.7k2024
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
14,623
Deaths
14,057
Net international migration
+5,910
Net domestic migration
-28,135
Change, July 2023 to July 2024
-3,077

Where St. Louis city is

The Census internal point of St. Louis city is at 38.635700, -90.244600. 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 St. Louis city 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: St. Louis city internal point. Dark pin: Jefferson City.

Internal point

Decimal
38.635700, -90.244600
DMS
38°38'8.52"N 90°14'40.56"W
UTM
15N 739834.1E 4279953.3N
Geohash
9yzgf3mvk
Plus code
86CFJQP4+75

Towns in St. Louis city

One incorporated place of 1,000+ people has residents in St. Louis city, 279,695 people together, or 100% of the county. Each figure counts only the part of the town inside St. Louis city; towns marked "part" extend into another county. The largest is St. Louis with 279,695.

  1. 01St. Louis279,695
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering St. Louis city

The Census 2024 county adjacency file lists 3 neighbors for St. Louis city, including 2 across a state line. The most populous is St. Louis County, MO, with 992,929 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 104.2 miles W of St. Louis city's internal point in a straight line. The nearest place of 100,000 or more is St. Louis, MO (population 279,695), 0.0 miles away.

St. Louis city FIPS code

The FIPS code of St. Louis city is 29510: state code 29 for Missouri plus independent city code 510. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $55,231.

Questions people ask

What is the population of St. Louis city, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 279,695. That is down 20,620 people (6.9%) from the July 2020 estimate of 300,315.

What is the FIPS code of St. Louis city?

29510. The first two digits (29) are Missouri; the last three (510) identify the independent city.

What is the largest town in St. Louis city?

St. Louis, with 279,695 residents inside St. Louis city in 2024.

Which counties border St. Louis city?

3 county-equivalents border it in the Census 2024 adjacency file: St. Louis County, MO; Madison County, IL; St. Clair County, IL.

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.