Lafayette, LA Profile: Facts, Map & Data


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Lafayette, Louisiana - Basic Facts

The City of Lafayette is the 5th largest city in Louisiana with a population of 131,191 as of July 1, 2017. Lafayette ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Louisiana. See peer rankings below.

The primary coordinate point for Lafayette is located at latitude 30.2116 and longitude -92.0314 in Lafayette Parish. The formal boundaries for the City of Lafayette (see map below) encompass a land area of 51.5 sq. miles and a water area of 0.1 sq. miles. Lafayette Parish is in the Central time zone (GMT -6). The elevation is 36 feet.

The City of Lafayette (GNIS ID: 2404854) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "B" whic identifies an active government that is partially consolidated with another government but with separate officials providing primary general-purpose functions.

The City of Lafayette is located within Parish Governing Authority District D, a minor civil division (MCD) of Lafayette Parish.

Beneath the boundary map are tables with Lafayette population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Lafayette: La Fayette, Little Manchac, Pinhool, Vermilion, Vermilionville, Vermillion Bridge, Vermillionville, Village of Saint Jean Au Vermilion.

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City of Lafayette, LA Boundary Map

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Boundary Maps: Parish Governing Authority District D | Lafayette Parish | Louisiana Parishes

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Lafayette, LA Data & Demographics (As of July 1, 2017)


Total Population 131,191
Daytime Population: Workers 96,909
Daytime Population: Residents 74,926
Total Daytime Population (TDP) 171,835
Ratio TDP/Total Population1 1.31
Population in Households 126,549
Population in Familes 91,424
Population in Group Qrtrs 4,642
Population Density2 2,548
Diversity Index3 56


Median Household Income $48,753
Average Household Income $75,792
Per Capita Income $32,162


Total Housing Units 58,389 (100%)
Owner Occupied HU 26,842 (46.0%)
Renter Occupied HU 27,193 (46.6%)
Vacant Housing Units 4,354 ( 7.5%)
Median Home Value $189,356
Average Home Value $237,842


Total Households 54,035
Average Household Size 2.34
Family Households 30,124
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.06% 1.21%
Households 1.12% 1.26%
Families 0.56% 0.98%
Median Household Income   2.09%
Per Capita Income   2.46%

Lafayette, LA - Peer Comparisons by Rank and Percentile

The table below compares Lafayette to the other 474 incorporated cities, towns and CDPs in Louisiana by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 5 99th
Population Density # 29 94th
Diversity Index # 77 84th
Median Household Income # 142 70th
Per Capita Income # 37 92nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Louisiana Census Data Comparison Tool.

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