Skip to main content

Kingston: Demographics & People

1,670 people call Kingston home, in 842 households. Population grew 7.3% from 1,557 (2022) to 1,670 (2024). Median age 51.1 years. (9.3y older than Somerset County; 11.5y older than New Jersey). Children under 18 are 19% of the population. Population is 75% White (non-Hispanic) and 10% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.30). 54% of households are family-led. County is losing 17,436 residents per year (2022-2023). County health: 27% adult obesity, 10% smoke.

Population & Trend

Population grew 7.3% from 1,557 (2022) to 1,670 (2024) — about 12.1× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,793 (extrapolated at 3.6%/yr trend). Census Bureau Vintage estimate: 1,966.

Census data vintage2024
Population863,162 people
Annual growth rate · Population change7.3%
Annual growth rate · Population (2022)1,557
Annual growth rate · Population (2024)1,670
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population1,670 people (vs New Jersey 19,628)
Population Estimate1,966

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 51.1y is 12.2 years older than the U.S. median (38.9y). Children under 18 make up 19% — below the U.S. share of ~22%.

Age Summary · Median age51.1 years (vs New Jersey 39.6y)
Age Summary · Children Pct19.3%
Age Summary · Characterretirement community
Age Summary · Total Pop1,670
Age Summary · Under 18323
Age Summary · 18 To 3488.0×
Age Summary · 35 To 64955.0×
Age Summary · 65 Plus304
Population under 18323
Median age51.1 years (vs New Jersey 39.6y)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 1,670 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.30 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents1,280
Black residents71
Asian residents160
Hispanic or Latino residents32
Diversity Index · Diversity index (Simpson)29.8%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share83.0%
Asian population9.2% (vs New Jersey 4.4%)
Black population5.0% (vs New Jersey 6.0%)
Hispanic or Latino population9.6% (vs New Jersey 21.1%)
White (non-Hispanic) population74.9% (vs New Jersey 48.3%)

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Ancestry

Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.

Top (8)

(unnamed)
English
(unnamed)
Italian
(unnamed)
Asian
(unnamed)
German
(unnamed)
Irish
(unnamed)
American
(unnamed)
Black
(unnamed)
Polish

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 1.0% are foreign-born — below the U.S. average of 13.9%. 25% have naturalized to U.S. citizenship.

Residents born in this state779
Residents born in another state454
Share born in this state46.6%
Share born in another state53.4%
Native-born U.S. citizens27.2%
Foreign-born residents1.0%
Naturalized citizens25.1%
Total foreign-born residents347
From Europe125
From Africa174

Households & Family Composition

842 households. Averaging 2.0 people each — smaller than the U.S. average of 2.5. 54% are family households — below the U.S. share of ~65%. Of 387 families, 44% are married couples with children.

Children under 18332
Total families387
Married couples with children171
Single-parent households15
Average household size2.03
Women who gave birth (past year)2.8%
Grandparents living with grandchildren10,990
Grandparents responsible for grandchildren5,175
Family households459 households (vs New Jersey 4,906)
Households that are families54.5% (vs New Jersey 67.7%)
Total households842 households (vs New Jersey 7,481)

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 15.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 17,436 residents per year on net (IRS migration data).

Moved within the county (past year)15.9%
Migration · People moving in (annual)808,217
Migration · People moving out (annual)825,653
Migration · Net migration (in − out)-17,436
Migration · Year2022-2023

Sources: IRS SOI Migration 2021-2022  ·  Refreshed 2026-04-12

Disability

Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.

Residents with a disability46
Disability rate3.6%

Other

Congressional District · District12
Congressional District · FormattedNJ-12
Congressional District · Congress118th
Cdc Birth Rate · Fips34023
Cdc Birth Rate · State Fips34
Cdc Birth Rate · County Fips023
Cdc Birth Rate · CountyMiddlesex
Cdc Birth Rate · Birth Rate7.6%
Cdc Birth Rate · Lower Ci7.10
Cdc Birth Rate · Upper Ci8.20
Cdc Mortality · Fips34023
Cdc Mortality · CountyMiddlesex County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 202326,376
Cdc Vaccination · Fips34023
Cdc Vaccination · CountyMiddlesex County
Cdc Vaccination · Dose1 Pop Pct94.0%
Cdc Vaccination · Series Complete Pct77.1%
Cdc Vaccination · Booster Pct55.8%
Cdc Vaccination · Population 2019825,062
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct19.3%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 1,670, booming, retirement community, affluent, white collar
Town Summary · Population1,670 people (vs New Jersey 19,628)
Town Summary · CountyMiddlesex County

Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade