| Official Name: | Chatham, Massachusetts |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Massachusetts |
| Subdivision Type2: | County |
| Subdivision Name2: | Barnstable |
| Subdivision Type3: | Town |
| Subdivision Name3: | Chatham |
| Area Footnotes: | [1] |
| Area Total Km2: | 9.03 |
| Area Land Km2: | 6.83 |
| Area Water Km2: | 2.20 |
| Area Total Sq Mi: | 3.49 |
| Area Land Sq Mi: | 2.64 |
| Area Water Sq Mi: | 0.85 |
| Population As Of: | 2020 |
| Population Total: | 1551 |
| Population Density Km2: | 227.06 |
| Population Density Sq Mi: | 588.17 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 4 |
| Elevation Ft: | 13 |
| Coordinates: | 41.6794°N -69.9619°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 02633 |
| Area Code: | 508 |
| Blank Name: | FIPS code |
| Blank Info: | 25-12960 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0615912 |
| Unit Pref: | Imperial |
Chatham is a census-designated place (CDP) in the town of Chatham in Barnstable County, Massachusetts, United States. The population was 1,421 at the 2010 census,[2] out of 6,125 in the entire town of Chatham.
Chatham is located at (41.679321, -69.961868).[3]
According to the United States Census Bureau, the CDP has a total area of 9sqkm, of which 6.8sqkm is land and 2.2sqkm (24.36%) is water.[2]
See also: List of Massachusetts locations by per capita income. As of the census[4] of 2000, there were 1,667 people, 813 households, and 438 families residing in the CDP. The population density was 242.9/km2. There were 1,886 housing units at an average density of 274.8/km2. The racial makeup of the CDP was 94.18% White, 2.22% Black or African American, 0.18% Native American, 0.30% Asian, 2.10% from other races, and 1.02% from two or more races. Hispanic or Latino of any race were 1.86% of the population.
There were 813 households, out of which 13.5% had children under the age of 18 living with them, 45.4% were married couples living together, 5.3% had a female householder with no husband present, and 46.1% were non-families. 40.0% of all households were made up of individuals, and 22.1% had someone living alone who was 65 years of age or older. The average household size was 1.92 and the average family size was 2.52.
In the CDP, the population was spread out, with 13.6% under the age of 18, 5.2% from 18 to 24, 19.4% from 25 to 44, 29.4% from 45 to 64, and 32.5% who were 65 years of age or older. The median age was 53 years. For every 100 females, there were 91.2 males. For every 100 females age 18 and over, there were 86.2 males.
The median income for a household in the CDP was $47,037, and the median income for a family was $65,938. Males had a median income of $32,417 versus $31,339 for females. The per capita income for the CDP was $28,542. About 0.9% of families and 7.8% of the population were below the poverty line, including 0.9% of those under age 18 and 10.8% of those age 65 or over.