Louisiana T7S-R4E 1852 Survey Plat, 1852
Grand Coteau’s story
194 years in pictures
The archive holds 6 old photos and papers going back to 1852.
3 places on the National Register of Historic Places.
- 1832Grand Coteau is settled
Grand CoteauLA
Home to 3 places on the National Register of Historic Places.
Population
759
2025 Census estimate · −2.1% since 2020
Median home value
$118K
Census ACS
Household income
$35K
median
Median age
54.9
years
Jobs based here
320
Balanced
Is Grand Coteau a good place to live?
46% of residents live below the poverty line in Grand Coteau, above both Louisiana’s towns (20%) and U.S. towns (9.6%). No town among the 162 in Louisiana we compare has a higher median age than Grand Coteau. Its National Register listings include Frozard Plantation House and Academy of the Sacred Heart. Grand Coteau has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What makes Grand Coteau stand out
Where Grand Coteau beats most towns.
Small town
759 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
SunsetGrand Coteau
Getting set up
The full setup list →Moving to Grand Coteau: who provides what
Who provides power, water and the rest in Grand Coteau, and how to reach them.
PowerSouthwest Louisiana E M C11.6¢/kWh · EIA 2025HIFLD · EIA
WaterTown of Grand Coteau Water System10 health-based violations in 5 years · EPAEPA
Internet6 providers100% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Grand Coteau’s trash rules yet
Register to voteOnlineIn Louisiana you can register online until 20 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before).vote.govWho runs elections hereSt Landry Parish Registrar of VotersSt. Landry Parish; contacts on the Handbook page.FVAP, Aug 2015
ZIP codes70541, 70512, 70584, 7057070541 94% · 70512 3% · 70584 1% · 70570 1%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
The data
Ordered by what stands out in Grand Coteau.
Natural hazards
High risk in Grand Coteau, with inland flooding at the top
Expected storm and flood damage is higher than in 71% of U.S. communities. Since 2012, 3 flood insurance claims have been paid out in Grand Coteau.
71risk score of 100
FEMA risk score
Inland floodingHurricanesTornadoes
3
paid flood claims since 2012
10
federal disasters paid out here
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Schools
The schools Grand Coteau’s kids attend
Its public schools are run by the St. Landry Parish school district. Its two schools are below.
| School | Level | Students | Letter |
|---|---|---|---|
| Grand Coteau Elementary SchoolLargest public elementary schoolGrades PK–4 | Grades PK–4 | 269 | C− |
| Berchmans Academy of the Sacred Heart / Schools of PrivateLargest high schoolGrades PK–12 | Grades PK–12 | 273 | – |
NCES · EDFacts
Who lives here
More middle-aged adults than Louisiana overall
Adults 35 to 64 are 47% of residents (37% statewide); adults 18 to 34 are 16% of residents (22% statewide). Grand Coteau has lost 2.1% of its people since 2020, down to 759 in the Census Bureau’s 2025 estimate. 21% of adults 25 and older have a bachelor’s degree or more, vs 27% across Louisiana.
54.9median age · LA 38
| Grand Coteau | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Bachelor’s degree or more, 25+ | 21% | 20% | 29% |
| Aged 65 or older | 17% | 17% | 18% |
Grand CoteauLouisianaUnited States
Ages · share of residents
33%
Education · adults 25 and older
No diploma39%
High school31%
Some college8%
Associate’s1%
Bachelor’s12%
Graduate9%
Women and men · all residents
47% women, 53% men
That’s an even split within the survey’s margin of ±6.8 points. Across Louisiana, 51.1% of residents are women. Among residents 55 to 64, 63% are men (LA 48%).
| Grand Coteau | LA | U.S. | |
|---|---|---|---|
| Under 10 | 9.4% | 12.6% | 11.6% |
| 10 to 17 | 10.5% | 10.9% | 10.3% |
| 18 to 24 | 8.2% | 9.1% | 9.1% |
| 25 to 34 | 8.2% | 13.3% | 13.7% |
| 35 to 44 | 8.2% | 13.3% | 13.2% |
| 45 to 54 | 5.6% | 11.5% | 12.2% |
| 55 to 64 | 33.1% | 12.6% | 12.7% |
| 65 to 74 | 4.4% | 10.2% | 10.2% |
| 75 and older | 12.3% | 6.5% | 7% |
| No diploma | 39.2% | 12.7% | 10.4% |
| High school | 31.2% | 32.5% | 26% |
| Some college | 8.4% | 20.4% | 19.1% |
| Associate’s | 0.7% | 7.3% | 8.8% |
| Bachelor’s | 11.5% | 17% | 21.6% |
| Graduate | 9% | 10.1% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 800, single groups can be off by several points
Climate
Grand Coteau has mild winters and hot summers
Grand Coteau has warm winters and warm summers, with plenty of rain. Grand Coteau’s July high is 92°F, near the Louisiana town median (92°F) and above the median of U.S. towns (85°F).
92°summer high
Typical low → high °F
Winter43–64°
Spring58–79°
Summer73–91°
Fall58–80°
Nov 23
typical first frost
Feb 28
typical last frost
+0.6°
vs. the 20th-century average
92°
typical summer high
NOAA U.S. Climate Normals, 1991–2020
Work & commute
Grand Coteau has 1.3 jobs for every working resident, and 317 people commute in
Most working residents leave Grand Coteau for work: only 1% work in town. The top destinations are Lafayette (27%), Opelousas (10%) and Sunset (5%). Half commute less than 16 miles.
1%work in town
| Grand Coteau | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 1.2% | 9.8% | 8% |
| Average trip to work | 24 minutes | 25 minutes | 25 minutes |
Where working residents work
In Grand Coteau1%
Lafayette27%
Opelousas10%
Sunset5%
Baton Rouge4%
16 mi
median commute distance
320
jobs based in Grand Coteau
Balanced
jobs vs. working residents
Census LEHD 2023 · ACS
Health
Compared with most of Louisiana and the rest of the country, more of Grand Coteau’s adults had a checkup this year
85% of Grand Coteau adults had a checkup this year. Grand Coteau beats the Louisiana average on 4 of 32 CDC measures and trails it on 17. 11% of Grand Coteau adults 18 to 64 have no health insurance.
| Grand Coteau | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Diabetes (CDC PLACES) | 22% | 16% | 12% |
| High blood pressure (CDC PLACES) | 54% | 44% | 35% |
| Fair or poor health (CDC PLACES) | 34% | 27% | 19% |
| Frequent physical distress (CDC PLACES) | 19% | 16% | 14% |
32 measures vs. Louisiana
4 better11 too close to call17 worse
| What stands out | Grand Coteau | LA |
|---|---|---|
| Fewer binge drinkers | 12.9% | 16.9% |
| Fewer adults with depression | 22.5% | 26.6% |
| More adults who have had a stroke | 6.8% | 4.3% |
Opelousas General Health System
8.7 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Housing
Fewer of Grand Coteau’s households own their home than in the typical Louisiana or U.S. town
34% of households own their home in Grand Coteau. Only 10 of the 160 Louisiana towns we compare have a lower median rent than Grand Coteau.
$122Kmedian sale price
| Grand Coteau | Louisiana towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 34% | 68% | 73% |
| Median rent | $678 a month | $990 a month | $1,185 a month |
1
homes sold in May
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Keep exploring
Everything we know about Grand Coteau
17pages on Grand Coteau
The big questions
Out and about
The story
After high school
Colleges nearby
3 within 15 miles of the center of Grand Coteau
Academy of Interactive EntertainmentCommunity college · Private nonprofit · Lafayette13.8 mi$24,600 tuitionSouth Louisiana Community CollegeCommunity college · Public · Lafayette13.9 mi$4,210 in-state tuitionUniversity of Louisiana at LafayetteUniversity or college · Public · Lafayette14.4 mi$10,418 in-state tuition
About 4 of every 100 Grand Coteau residents are enrolled in college, against 6 across Louisiana.
About Grand Coteau
Town in Louisiana
Grand Coteau is a town in St. Landry Parish, Louisiana, United States. As of the 2020 census, Grand Coteau had a population of 776. Grand Coteau is on Interstate 49 south of Opelousas and is part of the Opelousas–Eunice Micropolitan Statistical Area. The town is a center for local farming.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 2.4 sq mi
- Elevation
- 56 ft
- ZIP code
- 70541
- Area code
- 337
Questions about Grand Coteau
Short answers, built from the data on this page.
Is Grand Coteau, LA a good place to live?
Grand Coteau has fewer than 1,000 residents, too few for fair grades; the figures below are still real. Home to 3 places on the National Register of Historic Places.