US Census Data

Jefferson Valley-Yorktown vs Mamaroneck

A side-by-side comparison of Jefferson Valley-Yorktown and Mamaroneck: population, income, housing, and more.

Jefferson Valley-Yorktown and Mamaroneck are places in New York. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Mamaroneck has the higher population (19,840 vs 14,195 in Jefferson Valley-Yorktown). Jefferson Valley-Yorktown has the higher median household income ($152,948 vs $125,459 in Mamaroneck). Mamaroneck has the higher median home value ($705,200 vs $566,800 in Jefferson Valley-Yorktown).

Population, income & housing

Jefferson Valley-YorktownMamaroneck
Population14,19519,840
Median age46.9 yrs40.7 yrs
Median household income$152,948$125,459
Median home value$566,800$705,200
Median gross rent$2,078$2,017
Housing units5,3857,692
Homeownership rate89.7%58.8%
Bachelor's degree or higher53.4%55.3%
Unemployment rate8.2%3.9%

Trends (ACS 5-year, 2019–2023)

Jefferson Valley-YorktownMamaroneck
Population14,205 → 14,195 (-0.1%)19,217 → 19,840 (+3.2%)
Median household income$129,797 → $152,948 (+17.8%)$102,138 → $125,459 (+22.8%)
Median home value$422,000 → $566,800 (+34.3%)$623,400 → $705,200 (+13.1%)
Median gross rent$1,680 → $2,078 (+23.7%)$1,936 → $2,017 (+4.2%)

Jefferson Valley-Yorktown

Population
14,20514,195
Median household income
$129,797$152,948
Median home value
$422,000$566,800
Median gross rent
$1,680$2,078

Mamaroneck

Population
19,21719,840
Median household income
$102,138$125,459
Median home value
$623,400$705,200
Median gross rent
$1,936$2,017

Age & race/ethnicity

Age distribution (share)

Jefferson Valley-YorktownMamaroneck
Under 55.1%5.8%
5 to 1716.0%18.0%
18 to 248.1%7.5%
25 to 348.8%11.8%
35 to 4410.7%15.0%
45 to 5413.8%14.5%
55 to 6417.5%11.2%
65 to 7410.6%7.9%
75 and over9.3%8.4%

Race & ethnicity (share)

Jefferson Valley-YorktownMamaroneck
White (non-Hispanic)75.3%58.7%
Black or African American4.5%4.5%
American Indian & Alaska Native0.0%0.5%
Asian3.6%4.5%
Native Hawaiian & Pacific Islander0.4%0.0%
Some other race0.0%0.6%
Two or more races3.1%2.8%
Hispanic or Latino13.1%28.5%

Educational attainment (age 25+)

Share of adults 25+

Jefferson Valley-YorktownMamaroneck
No high school diploma5.2%11.4%
High school graduate16.6%16.0%
Some college or associate's24.8%17.3%
Bachelor's degree29.8%29.4%
Graduate or professional degree23.6%26.0%

Commute to work

How workers get to work (share)

Jefferson Valley-YorktownMamaroneck
Drove alone67.2%43.4%
Carpooled6.4%9.2%
Public transit6.1%18.9%
Walked0.0%9.0%
Bicycle0.0%0.1%
Worked from home19.3%19.2%
Other means1.2%0.2%

Housing

Units in structure (share)

Jefferson Valley-YorktownMamaroneck
1-unit, detached74.4%36.9%
1-unit, attached7.6%3.9%
2 to 4 units12.2%22.1%
5 to 19 units5.5%18.5%
20 or more units0.4%18.6%
Mobile home & other0.0%0.0%

Poverty & households

Jefferson Valley-YorktownMamaroneck
Poverty rate4.0%7.7%
Average household size2.782.74
Mean commute (minutes)3930
Median year structure built19681952

Full profiles

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