Cypress trees at sunrise in Acadiana
County in Louisiana

Lafayette Parish

Lafayette Parish has the 4th largest economy in Louisiana ($19.8 billion GDP) and the 5th highest share of college graduates (35.3% of adults).

Lafayette Parish is home to 254,241 people (2024 estimate) on 269 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.

Key indicators

Population
254,241
July 1, 2024 estimate
2020 Census base
241,759
April 1, 2020
Change since 2020
+5.2%
2020–2024
Land area
269 mi²
696 km²
Population density
945.7 /mi²
2024 estimate ÷ land area
Births
3,195
Year to July 1, 2024
Deaths
1,987
Year to July 1, 2024
Natural change
+1,208
Births minus deaths, 2024
Net migration
+2,536
Domestic + international, 2024
Per capita personal income
$69,524
BEA, 2024
Gross domestic product
$19.8 billion
BEA, current dollars, 2024
Median household income
$67,451
ACS 2020–2024 5-year
Poverty rate
17.1%
ACS 2020–2024 5-year
Bachelor’s degree or higher
35.3%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
5.2%
ACS 2020–2024 5-year
Median home value
$242,900
ACS 2020–2024 5-year
Unemployment rate
3.5%
BLS annual average, 2024

Historical data

Pick an indicator to see its long-run evolution.

Population

2000–2024
254,241▲ 33%

U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.

Data summary

IndicatorValueYear and source
Population estimate254,2412024 · U.S. Census Bureau
Population, 2010 Census221,5782010 · U.S. Census Bureau
Population, 2000190,516July 1, 2000 · Census intercensal
Change since 2000+33.4%2000–2024 · Census
International migration+1,4172024 · Census Vintage 2024
Domestic migration+1,1192024 · Census Vintage 2024
Birth rate12.6 per 1,0002024 · calculated
Death rate7.8 per 1,0002024 · calculated
Population rank in Louisiana5th of 642024 · calculated
Per capita personal income$69,524BEA, 2024 · official
Gross domestic product$19.8 billionBEA, current dollars, 2024 · official
Median household income$67,451ACS 2020–2024 5-year · official
Poverty rate17.1%ACS 2020–2024 5-year · official
Bachelor’s degree or higher35.3%Age 25+, ACS 2020–2024 5-year · official
Foreign-born residents5.2%ACS 2020–2024 5-year · official
Median home value$242,900ACS 2020–2024 5-year · official
Median gross rent$1,057/monthACS 2020–2024 5-year · official
Median age36.5 yearsACS 2020–2024 5-year · official
Households100,903ACS 2020–2024 5-year · official
Owner-occupied homes65.5%ACS 2020–2024 5-year · official

Lafayette Parish in context

Comparable indicators for Lafayette Parish, Louisiana and the United States.

IndicatorCountyLouisianaU.S.Reference
Population change 2020–2024+5.2%−1.3%+2.6%Census Vintage 2024
Birth rate (per 1,000)12.611.710.62024
Death rate (per 1,000)7.810.89.12024
Net migration rate (per 1,000)10.01.28.22024
Population density (/mi²)945.7106.496.32024
Per capita personal income$69,524$61,897$73,204BEA, 2024
Median household income$67,451$60,756$80,734ACS 2020–2024 5-year
Poverty rate17.1%18.9%12.5%ACS 2020–2024 5-year
Bachelor’s degree or higher35.3%27.0%35.7%Age 25+, ACS 2020–2024 5-year
Foreign-born residents5.2%4.9%14.1%ACS 2020–2024 5-year
Median home value$242,900$216,500$332,700ACS 2020–2024 5-year
Median gross rent$1,057/month$1,064/month$1,413/monthACS 2020–2024 5-year
Median age36.5 years38.0 years38.9 yearsACS 2020–2024 5-year
Owner-occupied homes65.5%67.4%65.2%ACS 2020–2024 5-year

Cities & towns

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Did you know? Lafayette Parish

5th most populous of 64

With 254,241 residents in 2024, Lafayette Parish ranks 5th by population among Louisiana's 64 counties and is home to 5.5% of the state's residents.

A quarter century of change

Its population went from 190,516 in 2000 to 254,241 in 2024, a change of +33.4%, compared with +2.8% for Louisiana as a whole.

Births and deaths

In the year to July 2024 the county recorded 3,195 births and 1,987 deaths, so births outnumbered deaths by 1,208.

Record population

Annual Census estimates since 2000 put the county's highest population in 2024, at 254,241.

4th in density

Lafayette Parish has about 945.7 residents per square mile of land, ranking 4th of 64 counties; Louisiana averages 106.4.

Household income rank

With a median household income of $67,451 (ACS 2020–2024 5-year), the county ranks 13th of 64 Louisiana counties; the state median is $60,756.

Size of the economy

Its economy produced $19.8 billion of GDP in 2024 (BEA), 4th largest among 64 Louisiana counties.

Latest economic growth

Real GDP grew 2.7% in 2024, adjusted for inflation (BEA, chained 2017 dollars).

Sources and methodology