Louisiana · Census place 2267600

St. Martinville, Louisiana

St. Martinville is a city in St. Martin Parish, Louisiana with an estimated 5,229 residents on July 1, 2024. It is the 59th largest of 155 incorporated places of 1,000+ people in the state.

Population 2024
5,229
#59 of 155 in Louisiana
Change since 2020
-3.0%
-161 people
Land area
3.2 sq mi
+ 0.11 sq mi water
Density
1,650 / sq mi
State median 1,568
Orange pin: St. Martinville. Shaded: its county. Dark pin: Baton Rouge.

St. Martinville population, 2020 to 2024

St. Martinville lost 161 residents from July 2020 to July 2024, a change of -3.0%. In the latest year it moved by -16. Among 59 Louisiana places of 5,000 or more, that growth ranks 33rd; the median place changed by -2.7%. The median place of 5,000+ in Louisiana has 11,686 people, so St. Martinville is 45% of it.

5,39020205,35220215,28120225,24520235,2292024
July 1 estimates. The April 2020 estimates base was 5,416. The axis starts above zero so yearly changes are visible.

St. Martinville covers 3.17 square miles of land and 0.11 of water, for 1,650 people per square mile of land. The median Louisiana place of 5,000+ has 1,568, so St. Martinville is close to the typical town.

What county St. Martinville is in

All of St. Martinville's residents live in St. Martin Parish, which had 51,218 residents in 2024. St. Martinville holds 10.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in St. Martinville

1 ZIP Code Tabulation Area (ZCTA) overlaps St. Martinville by at least 10% of the ZCTA's or the city's land: 70582. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where St. Martinville is

The Census internal point of St. Martinville is at 30.127000, -91.831100. Baton Rouge, the capital, is 44.7 miles ENE in a straight line. The nearest larger place is Broussard, LA (15,312 people), 7.5 miles away. The nearest city of 100,000 or more is Lafayette, LA, 13.0 miles away.

Internal point

Decimal
30.127000, -91.831100
DMS
30°07'37.20"N 91°49'51.96"W
UTM
15N 612597.8E 3333434.7N
Geohash
9vqeqk6wk
Plus code
862C45G9+RH

Daylight in St. Martinville

At 30.13° N, St. Martinville gets about 14 h 05 min of daylight around the June solstice and 10 h 12 min around the December solstice, a swing of 3 h 53 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near St. Martinville

The eight nearest incorporated places of 1,000+ in Louisiana, measured between internal points. The closest is Broussard, 7.5 miles away, with 15,312 people.

Questions people ask

What is the population of St. Martinville, LA?

5,229 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 161 (3.0%) from 5,390 in July 2020.

What county is St. Martinville in?

St. Martin Parish. All of its residents live in that county.

What ZIP codes cover St. Martinville?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 70582.

How far is St. Martinville from Baton Rouge?

44.7 miles (71.9 km) in a straight line, heading ENE from St. Martinville.

What is the nearest larger city to St. Martinville?

Broussard, LA, with 15,312 residents, 7.5 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

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