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Lafayette Parish, Louisiana

Lafayette Parish: parish in Louisiana, United States

About

Lafayette Parish is a county located in the U.S. state of Louisiana. As of the 2010 census, the population was 221,578 and a population density of 317 people per km². After 10 years in 2020 county had an estimated population of 246,518 inhabitants. Its county seat is Lafayette. The county was created 203 years ago in 1823.

Lafayette Parish locator map
Location of Lafayette Parish on Louisiana map.

County Snapshot

Lafayette Parish at a glance

Lafayette Parish currently has 7 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

7

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Top linked places

Lafayette 126,535 Youngsville 15,262 Broussard 11,303 Carencro 9,945

Quick Facts about Lafayette Parish

Population 246,518 (2020)
Country United States of America
State Louisiana (United States)
Different from Lafayette County, Lafayette County, Lafayette County, Lafayette County, Lafayette County
Area 700 km2
Water as percent of area 0.2%
Land as percent of area 99.8%
Latitude & Longitude 30.2068,-92.0639
Named for Gilbert du Motier, Marquis de Lafayette
Altitude 33 feet / 10 meters
Capital Lafayette
Establishment January 17, 1823
Time Zone America/Chicago
Local time 16:47:12 (22nd April 2026)
Density 352 Pop. per km² as of 2020
Population growth 10.12% (2010-2020)
Weather 81℉ Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 7-days weather
Lafayette Parish Courthouse image
Lafayette Parish Courthouse image

Geography

Lafayette Parish is located at 30°12'24"N 92°3'50"W (30.2067700, -92.0638800). It has 5 neighbors: Acadia Parish, Iberia Parish, Saint Landry Parish, Saint Martin Parish and Vermilion Parish.

Lafayette Parish map

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Lafayette Parish Populated Places

Cities, towns, neighborhoods & other populated places in Lafayette Parish.

City Name Population Title
Lafayette 126,535 The third most populous city in Acadiana, Louisiana.
Youngsville 15,262 Suburb city of Lafayette, located in Lafayette Parish, Louisiana, United States of America
Broussard 11,303 Suburb city of Lafayette, located in Lafayette and St.
Carencro 9,945 Suburb city of Lafayette, located in Lafayette Parish, Louisiana, United States
Scott 8,787 Suburb city of Lafayette, located in Lafayette Parish, Louisiana, United States
Duson 1,761 Town of the United States
Vatican 882 This unincorporated community in Lafayette Parish, Louisiana, is situated at an elevation of 39 feet.

Weather

81°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
5 to 10 mph SE Wednesday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitat...

7-Day Forecast

Official website of Lafayette Parish

Official Website
  • Lafayette

Demographics

The population of Lafayette Parish increased by 10.12% in 10 years.

Year Population % Change Method
2010 221,578 - census
2011 224,673 1.38% estimation process
2012 227,298 1.15% estimation process
2013 231,471 1.8% estimation process
2014 235,695 1.79% estimation process
2015 239,332 1.52% estimation process
2016 241,275 0.81% estimation process
2017 241,756 0.2% estimation process
2018 243,113 0.56% estimation process
2019 244,390 0.52% estimation process
2020 246,518 0.86% estimation process
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People born in Lafayette Parish (1)

American politician (1804-1885) Alexandre Mouton was born in Lafayette Parish

Louisiana Other Counties (more counties)

County Name Population Title
East Baton Rouge Parish 439,729 Parish in Louisiana, United States
Jefferson Parish 432,346 Parish in Louisiana, United States
Orleans Parish 389,476 New Orleans consolidated city-parish in Louisiana, United States
New Orleans 389,476 The most populous city in Louisiana and the center of the New Orleans metropolitan area.
Saint Tammany Parish 263,446 Parish in Louisiana, United States of America
Caddo Parish 237,479 Parish in Louisiana, United States
Baton Rouge 219,052 The capital of Louisiana.
Calcasieu Parish 203,310 Parish in Louisiana, United States
Shreveport 184,786 The second most populous city in Louisiana.
Ouachita Parish 152,439 Parish in Louisiana, United States
Livingston Parish 143,737 Parish in Louisiana, United States
Metairie Terrace 142,489 A census-designated place in Jefferson Parish, Louisiana.
Metairie 138,481 The most populous suburb of New Orleans, Louisiana.
Tangipahoa Parish 136,765 Parish in Louisiana, United States
Ascension Parish 128,665 Parish in Louisiana, United States
Rapides Parish 128,567 Parish in Louisiana, United States

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