Town of Chilmark, Dukes County, Massachusetts
The Town of Chilmark is a town in Dukes County, Massachusetts. About 1,578 people live there (2020–2024 estimate). It covers 19 sq mi (49.3 km²) of land and uses Eastern Time. It has its own local government.
- Population, 2020–2024 estimate
- 1,578 ± 412
- County
- Dukes County
- School districts
- Martha's Vineyard School District9–12 · high schoolUp-Island Regional School DistrictPre-K to 8 · elementary
- Land area
- 19 sq mi (49.3 km²)
- Type
- TownIts own local government
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $168,750 ± $28,391
- Median home value
- $1,895,300 ± $281,344
- Water area
- 81.4 sq mi (211 km²)
- State
- Massachusetts
- Census code (GEOID)
- 2500713800
- Coordinates (central point)
- 41.303014, -70.778694
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Bordering areas, nearest first
- Town of Aquinnah3.2 mi northwest
- Town of West Tisbury8.9 mi northeast
- Town of Gosnold11 mi northwest
These towns, townships, cities and boroughs share a boundary with the Town of Chilmark. Distances are straight lines between central points, not driving distances.
Other towns in Dukes County, largest first
- Town of Oak Bluffs5,407 people
- Town of Edgartown5,278 people
- Town of Tisbury4,893 people
- Town of West Tisbury3,080 people
- Town of Aquinnah666 people
- Town of Gosnold31 people
People counts are American Community Survey 2020–2024 5-year estimates. See Dukes County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in the Town of Chilmark
- Longest day
- 15 hours 9 minutes around June 21
- Shortest day
- 9 hours 11 minutes around December 21
- Earliest sunrise
- 5:09 AM around June 14
- Latest sunrise
- 7:20 AM the day before clocks go back in November
- Earliest sunset
- 4:13 PM around December 8
- Latest sunset
- 8:20 PM around June 27
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:06 AM | 4:38 PM | 9 h 32 min |
| Feb 15 | 6:38 AM | 5:16 PM | 10 h 38 min |
| Mar 15 | 6:55 AM | 6:49 PM | 11 h 54 min |
| Apr 15 | 6:03 AM | 7:23 PM | 13 h 20 min |
| May 15 | 5:24 AM | 7:54 PM | 14 h 30 min |
| Jun 15 | 5:09 AM | 8:18 PM | 15 h 9 min |
| Jul 15 | 5:22 AM | 8:14 PM | 14 h 52 min |
| Aug 15 | 5:52 AM | 7:42 PM | 13 h 50 min |
| Sep 15 | 6:23 AM | 6:52 PM | 12 h 29 min |
| Oct 15 | 6:54 AM | 6:02 PM | 11 h 8 min |
| Nov 15 | 6:31 AM | 4:23 PM | 9 h 52 min |
| Dec 15 | 7:01 AM | 4:14 PM | 9 h 13 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A town line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Dukes County or the local office.
Find the township or town where you are now or find your county.