Where is Keystone located?

Keystone, LA is located at latitude 30.0804800 and longitude -91.8376200. It is in United States.

What is the elevation of Keystone?

Keystone, LA has an elevation of 7 meters (23 feet) above sea level.

What time zone is Keystone in?

Keystone, LA is in the America/Chicago time zone.

What state is Keystone in?

Keystone is in the state of Louisiana, United States.

What county is Keystone, LA in?

Keystone is in Saint Martin Parish, Louisiana.

Keystone, LA - Geographic Facts & Maps

Keystone: a city in Saint Martin Parish, Louisiana.

About

Keystone is a city located in the county of Saint Martin Parish in the U.S. state of Louisiana.

Quick Facts about Keystone

State	Louisiana (United States)
County	Saint Martin Parish
Latitude & Longitude	30.0805,-91.8376
Time Zone	America/Chicago
Local time	13:57:32 (6th November 2026)
Weather	54℉ Mostly Clear 7-days weather

Geography

Keystone is located at 30°4'50"N 91°50'15"W (30.0804800, -91.8376200).

Keystone map

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Weather

54°F

Mostly Clear

0 mph Thursday Night

Mostly clear. Low around 54, with temperatures rising to around 58 overnight. Northwest wind around 0 mph.

7-Day Forecast

Nearby Schools and Colleges

Schools and campuses linked to Keystone, LA. Select a name to open its map and contact details.

Code	Name	City	ZIP
490416	J's Barber College	New Iberia (LA)	70560-6138
160524	Remington College-Lafayette Campus	Lafayette (LA)	70508
439491	Blue Cliff College-Lafayette	Lafayette (LA)	70508
483355	Delta College of Arts & Technology-Lafayette Campus	Lafayette (LA)	70508
485564	Infinity College	Lafayette (LA)	70501-8833

Nearby Transit Stations (4)

Rail and bus stations connected to Keystone, LA. Select a station to open its map and address details.

Code	Name	Address	Type
NIB	New Iberia	West Washington St.	RAIL
LFT	Lafayette	133 East Grant St.	RAIL
BTR	Baton Rouge, Louisiana	1253 Florida St.	BUS
SCH	Schriever	Hwy 20 and Hwy 24	RAIL

Nearby Post Offices

Closest post offices linked to Keystone.

Post Office Name	City	ZIP
Saint Martinvill Post Office	Saint Martinville (LA)	70582
Cad Post Office	Cade (LA)	70519
Loreauvill Post Office	Loreauville (LA)	70552
New Iberia Post Office	New Iberia (LA)	70560
Broussard Post Office	Broussard (LA)	70518

Other cities in Saint Martin Parish

Cities, towns, neighborhoods & other populated places in Saint Martin Parish , LA.

City Name	Population	Title
Breaux Bridge	8,047	City in Saint Martin Parish, Louisiana, United States
Saint Martinville	5,676	City in Louisiana, USA
Henderson	1,785	Town in the U.

Keystone, Louisiana