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CITY · 1990 CENSUS

Ronkonkoma

New York · 20,391 residents · 8.11 sq mi
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The short version

Ronkonkoma is home to 20,391 people in New York. Renters pay $852 a month at the median. Households here earn about 45% more than in New York as a whole. The typical home is worth $152,100. 78% of homes are owner-occupied. Households take in $47,748 a year at the median, 58% more than the country as a whole.

At a glance
Wealthier
above the US median
US median: $30,130
Younger
median age 30.6
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
20,391
+2%vs 2000
vs 20,029 in 2000
1990 – 2024
Median age
30.6
−13%vs 2000
vs 35.2 in 2000
US average: 33.0
Land area
8.11 sq mi
Population, 1990 – 2024
18K19K19K20K21K19902000201020202024Ronkonkoma
202419K
1990201020202024
Age distribution, 1990
Under 57.7%(1,562)
US avg: 7.3%
5 to 96.5%(1,325)
US avg: 7.3%
10 to 147.4%(1,510)
US avg: 6.9%
15 to 198.7%(1,769)
US avg: 7.1%
20 to 248.7%(1,769)
US avg: 7.5%
25 to 3419.7%(4,009)
US avg: 17.5%
35 to 4416%(3,265)
US avg: 15.1%
45 to 5413.1%(2,671)
US avg: 10.2%
55 to 645.6%(1,143)
US avg: 8.5%
65 to 744.3%(870)
US avg: 7.3%
75 to 842%(403)
US avg: 4%
85 and over0.5%(95)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$47,748
−7%inflation adjusted, since 2000
vs $67,339 in 2000
US average: $30,130
1990 – 2024
Per capita income
$15,898
−37%vs 2000
vs $25,152 in 2000
US average: $14,340
Poverty rate
2.8%
−0.9 ptsvs 2000
vs 3.7% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$152,100
+23%inflation adjusted, since 2000
vs $162,700 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$852
+12%inflation adjusted, since 2000
vs $1,000 in 2000
US average: $450
Owner-occupied
77.8%
−2.4 ptsvs 2000
vs 80.2% in 2000
22.2% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic89%(17,835)
Black0.8%(153)
Hispanic / Latino6.3%(1,269)
Asian2.4%(476)
Other0%
1990
White, non-Hispanic96.4%(19,649)
Black0.8%(158)
Hispanic / Latino4.3%(872)
Asian1.9%(383)
Other1%(201)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Puerto Rican9.9%(1,847)
Dominican2.2%(420)
Ecuadorian2.2%(416)
Mexican2%(368)
Colombian1.4%(260)
Salvadoran1.4%(253)
Cuban1.3%(236)
Spaniard0.8%(156)
Guatemalan0.8%(155)
Panamanian0.8%(155)
+ 5 more hispanic origin groups with data
Honduran0.5%(98)
Peruvian0.3%(50)
Chilean0.2%(29)
Paraguayan0.1%(11)
Nicaraguan0.1%(10)
Asian origin
Pakistani2.9%(538)
Bangladeshi1.3%(241)
Asian Indian0.9%(163)
Chinese0.6%(110)
Korean0.2%(31)
Ancestry
Italian26%(4,861)
Irish19.2%(3,584)
German12.5%(2,345)
Polish4.8%(892)
English3.7%(686)
American2.6%(494)
West Indian1.7%(309)
Portuguese1.3%(241)
Turkish1.1%(214)
Greek0.9%(175)
Jamaican0.7%(128)
+ 26 more ancestry groups with data
Hungarian0.6%(103)
Norwegian0.6%(103)
Scottish0.5%(96)
Ghanaian0.5%(91)
Swedish0.5%(89)
Russian0.5%(85)
Brazilian0.4%(80)
Ukrainian0.4%(79)
Austrian0.4%(76)
Haitian0.4%(76)
French0.4%(69)
Romanian0.3%(54)
Lithuanian0.2%(45)
Czech0.2%(38)
Dutch0.2%(29)
Armenian0.1%(28)
Croatian0.1%(21)
Finnish0.1%(18)
Scotch-Irish0.1%(17)
Danish0.1%(11)
British0%(9)
Swiss0%(6)
Iranian0%(5)
Slovak0%(3)
Section 05

Education

Bachelor's degree or higher
12.9%
−7.2 ptsvs 2000
vs 20.0% in 2000
US average: 20.3%
High school or higher
82.1%
−5.0 ptsvs 2000
vs 87.1% in 2000
US average: 75.2%
Graduate degree
4.7%
−2.1 ptsvs 2000
vs 6.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
25.2 min
+8%vs 2000
vs 23.2 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married36.5%(2,710)
Married54.5%(4,047)
Widowed1.9%(139)
Divorced7.1%(524)
Women 15+
Never married29.3%(2,290)
Married51.4%(4,017)
Widowed9.7%(757)
Divorced9.6%(750)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
2.0%
−6.5 ptssince 2013
from 8.5% in 2013
US average: 8.4%
Employer-based
68.9%
−7.2 ptssince 2020
from 76.1% in 2020
US average: 54.8%
Direct-purchase
12.3%
−1.5 ptssince 2020
from 13.8% in 2020
US average: 13.8%
Medicare
14.9%
+0.6 ptssince 2020
from 14.3% in 2020
US average: 18.4%
Medicaid
18.9%
+8.2 ptssince 2020
from 10.7% in 2020
US average: 20.9%
VA health care
1.1%
−0.4 ptssince 2020
from 1.5% in 2020
US average: 2.2%
Any private
78.7%
−9.1 ptssince 2020
from 87.8% in 2020
US average: 67.1%
Any public
31.5%
+8.1 ptssince 2020
from 23.4% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)16%(93)
US avg: 26.4%
Gulf War (1990s)9.6%(56)
US avg: 24.3%
Vietnam era36.5%(213)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II5.3%(31)
US avg: 1%

Share of the 583 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Ronkonkoma, New York?

Ronkonkoma, New York has about 20,391 residents according to the 1990 Census.

What is the median household income in Ronkonkoma, New York?

The typical household in Ronkonkoma, New York earns about $47,748 a year. Half of households make more than that, and half make less.

Is Ronkonkoma, New York expensive?

In Ronkonkoma, New York, the median home is worth about $152,100, and the typical rent is about $852 a month.

How educated are people in Ronkonkoma, New York?

About 12.9% of adults age 25 and over in Ronkonkoma, New York hold a bachelor's degree or higher.

What is the poverty rate in Ronkonkoma, New York?

About 2.8% of people in Ronkonkoma, New York live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →