Grand Coteau, LA Profile: Facts & Data


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Grand Coteau, Louisiana - Basic Facts

The Town of Grand Coteau had a population of 936 as of July 1, 2020.

The primary coordinate point for Grand Coteau is located at latitude 30.4199 and longitude -92.0465 in St. Landry Parish. The formal boundaries for the Town of Grand Coteau encompass a land area of 2.42 sq. miles and a water area of 0 sq. miles. St. Landry Parish is in the Central time zone (GMT -6). The elevation is 52 feet.

The Town of Grand Coteau (GNIS ID: 2406598) 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 "A" which identifies an active government providing primary general-purpose functions.

The Town of Grand Coteau is located within Parish Governing Authority District 8, a minor civil division (MCD) of St. Landry Parish.

Alternate Unofficial Names for Grand Coteau: Sunset Station.


Grand Coteau, LA Data & Demographics (As of July 1, 2020)


Total Population 936 (100%)
Population in Households 924 (98.7%)
Population in Families 779 (83.2%)
Population in Group Quarters1 12 ( 1.3%)
Population Density 386
Diversity Index2 53


Median Household Income $36,571
Average Household Income $57,701
% of Income for Mortgage4 16%
Per Capita Income $21,284
Wealth Index5 50


Total HU (Housing Units) 433 (100%)
Owner Occupied HU 227 (52.4%)
Renter Occupied HU 136 (31.4%)
Vacant Housing Units 70 (16.2%)
Median Home Value $142,347
Average Home Value $206,659
Housing Affordability Index3 169


Total Households 363
Average Household Size 2.55
Family Households 248
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.11% -0.24%
Households 0.05% -0.17%
Families 0.61% -0.41%
Median Household Income   1.86%
Per Capita Income   2.45%
Owner Occupied HU   0.44%


Grand Coteau, LA - Peer Comparisons by Rank and Percentile

The table below compares Grand Coteau to the other 474 incorporated cities, towns and CDPs in Louisiana by rank and percentile using July 1, 2020 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 # 299 37th
Population Density # 308 35th
Median Household Income # 298 37th
Housing Affordability Index # 121 26th
Per Capita Income # 270 43rd
Diversity Index # 146 68th

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

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