Ronkonkoma, NY demographics:
population, income, and more

Total population
18,709
1.9% year-over-year change
Median household income
$121,673/yr
-3.1% year-over-year change
Housing units
6,534
0.3% year-over-year change

Ronkonkoma population

How many people live in Ronkonkoma

Ronkonkoma is home to 18,709 residents, according to the most recent Census data. Gender-wise, 49.7% of Ronkonkoma locals are male, and 50.3% are female.

Total population
18,709
1.9% year-over-year change
Gender ratio
Male
49.7%
9,301
Female
50.3%
9,408
Value Percent YoY change
Male 9,301 49.7% -0.4%
Female 9,408 50.3% 4.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Ronkonkoma is 38, with the population distributed as follows: about 18.6% are children under 15, then 12.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 27.6% of the population, while another 28.1% fall into the 45 to 64 bracket. Finally, around 13.7% are 65 or older.

Median age
38.2
Age breakdown
Under 15
18.6%
15 to 24
12.1%
25 to 44
27.6%
45 to 64
28.1%
Over 65
13.7%
Value Percent YoY change
Under 15 3,475 18.6% 8.2%
15 to 24 2,257 12.1% -12.5%
25 to 44 5,161 27.6% 3.2%
45 to 64 5,256 28.1% 1.0%
Over 65 2,560 13.7% 7.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Ronkonkoma, 84.7% of the population are US-born citizens, while 11.3% have gained naturalized citizenship. At the same time, 4.1% of residents are non-citizens. As for race, 71.4% of locals are Caucasian, 5.4% are African American and 6.2% have Asian roots. There’s also a share of 9.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
84.7%
Non-U.S.-born citizens
11.3%
Non-citizens
4.1%
Value Percent YoY change
U.S.-born citizens 15,841 84.7% 2.4%
Non-U.S.-born citizens 2,108 11.3% -2.8%
Non-citizens 760 4.1% 3.8%
Racial breakdown
White
71.4%
Black or African American
5.4%
American Indian and Alaska Native
0.2%
Asian
6.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
9.7%
Other
7.1%
Value Percent
White 13,358 71.4%
Black or African American 1,012 5.4%
American Indian and Alaska Native 30 0.2%
Asian 1,156 6.2%
Native Hawaiian and other Pacific Islander 5 0%
Two or more races 1,818 9.7%
Other 1,330 7.1%

Households in Ronkonkoma

A peek inside Ronkonkoma households

Ronkonkoma has 6,133 households, with an average of 3 members in each. Of these, 72.7% are families, while the remaining 27.3% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
6,133
1.3% year-over-year change
Average people per household
3
Non-family households
1,672
Family households
4,461
Value Percent YoY change
Non-family households 1,672 27.3% 6.8%
Family households 4,461 72.7% -0.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Ronkonkoma

The housing landscape of Ronkonkoma

Ronkonkoma's housing consists of 6,534 units, with 79.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 1.1% and offer a more compact, shared living style.

Housing units
6,534
0.3% year-over-year change
Housing types
Value Percent
1 unit, detached 5,221 79.9%
1 unit, attached 70 1.1%
2 units 90 1.4%
3 or 4 units 248 3.8%
5 to 9 units 197 3%
10 to 19 units 478 7.3%
20 to 49 units 93 1.4%
50 or more units 137 2.1%
Homes built since 2020
7
% year-over-year change

The age of buildings in Ronkonkoma

In Ronkonkoma, the median construction year is 1970. About 9.6% of homes were built before the 1940s, with another 4.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.6% of homes were added from 2000 to 2009, 1.3% between 2010 and 2019, and 0.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 627 9.6% -4.4%
Built between 1940 and 1949 295 4.5% 2.8%
Built between 1950 and 1959 750 11.5% 3.9%
Built between 1960 and 1969 1,535 23.5% -1.8%
Built between 1970 and 1979 2,296 35.1% 2.9%
Built between 1980 and 1989 496 7.6% -8.8%
Built between 1990 and 1999 207 3.2% -19.1%
Built between 2000 and 2009 238 3.6% 77.6%
Built between 2010 and 2019 83 1.3% -31.4%
Built in 2020 or later 7 0.1% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Ronkonkoma occupancy rates

Out of the 6,133 occupied housing units in Ronkonkoma, 81.9% are owner-occupied, while 18.1% are lived in by tenants. Meanwhile, 6.1% of all homes on the local market sit vacant.

Occupied housing units
6,133
1.3% year-over-year change
Occupancy breakdown
Renter occupied
1,112
Owner occupied
5,021
Value Percent YoY
change
Renter occupied 1,112 18.1% -5.8%
Owner occupied 5,021 81.9% 3.0%
Unoccupied housing units
6.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Ronkonkoma housing costs

Housing costs in Ronkonkoma come to a median of $2,533 per month, while tenants specifically pay a median gross rent of $2,345.

Median housing costs per month
$2,533/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Ronkonkoma
$2,345/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Ronkonkoma

Ronkonkoma education at a glance

About 36% of the population in Ronkonkoma went to high school, while 20.1% pursued college studies. Another 9.8% earned an associate degree and 18% hold a bachelor’s. Meanwhile, 13.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 389 2.7% 7.2%
High school diploma 5,238 36% 6.8%
College diploma 2,929 20.1% -7.3%
Associate degree 1,427 9.8% -1.4%
Bachelor's degree 2,616 18% -2.9%
Graduate degree 1,959 13.5% -0.5%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Ronkonkoma

How much people earn in Ronkonkoma

The average annual household income in Ronkonkoma was $138,136 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -1% change from the previous year. At the same time, the median income stood at $121,673, reflecting a -3.1% shift over the same period.

Average household income in Ronkonkoma
$138,136/year
-1.0% year-over-year change
Median household income in Ronkonkoma
$121,673/year
-3.1% year-over-year change

Ronkonkoma income by age

In Ronkonkoma, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $121,993. Those with someone between 45 and 64 in charge, often well established professionally, earn $152,589 overall. Overall, 96.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $121,993 -2.4%
45 - 64 $152,589 -0.3%
Over 65 $77,147 0.5%
Above poverty level
17,803
Below poverty level
618
Value Percent YoY
change
Above poverty level 17,803 96.6% 1.2%
Below poverty level 618 3.4% 5.6%

Average renter income in Ronkonkoma

To get a better sense of what renters earn on average in Ronkonkoma, their median household income was $74,306 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 37.9%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$74,306
Rent-to-income ratio
37.9%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Ronkonkoma

Workforce and job types in Ronkonkoma

The job market in Ronkonkoma is powered by 9,908 working residents, spread across a range of industries and roles. 77.9% of the working population are employed in professional or administrative positions, while 22.1% are in hands-on or service-based jobs. Also, 7.2% run their own businesses, 67.4% are employed by private companies, and 17.3% work in the public sector.

Workforce demographics

Working population
9,908
-1.8% year-over-year change
White collar
7,721
Blue collar
2,187
Value Percent YoY change
White collar 7,721 77.9% -0.8%
Blue collar 2,187 22.1% -5.4%
Employer type
Self employees
7.2%
Private companies
67.4%
Governmental workers
17.3%
Not for profit companies
8.2%
Value Percent YoY change
Self employees 710 7.2% -14.2%
Private companies 6,673 67.4% -2.1%
Governmental workers 1,713 17.3% -1.3%
Not for profit companies 812 8.2% 13.7%
Unemployment rate
7.7%
5.3% year-over-year change

Available workforce

The unemployment rate in Ronkonkoma stands at 7.7%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Ronkonkoma

How people get around in Ronkonkoma

In Ronkonkoma, the average commute time is 32 minutes. Commuting methods vary: 87.1% of residents travel by personal vehicle and 0.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
32 min
Means of transportation
Value Percent YoY change
Car 8,372 87.1% -2.5%
Taxicab 11 0.1% 57.1%
Railroad 307 3.2% -3.8%
Walk 18 0.2% -37.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Ronkonkoma demographics 

What is the total population of Ronkonkoma?

Ronkonkoma has a total population of 18,709 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.9% compared to a year ago.

What is the gender ratio in Ronkonkoma?

The gender ratio in Ronkonkoma is as follows:
  • 49.7% males (9,301 residents)
  • 50.3% females (9,408 residents)

What is the median age in Ronkonkoma?

The median age in Ronkonkoma is 38.2.

What is the age distribution of the population in Ronkonkoma?

The age distribution in Ronkonkoma is as follows:
  • Under 15: 18.6% (3,475 residents)
  • Ages 15-24: 12.1% (2,257 residents)
  • Ages 25-44: 27.6% (5,161 residents)
  • Ages 45-64: 28.1% (5,256 residents)
  • Over 65: 13.7% (2,560 residents)

What is the racial and ethnic makeup of Ronkonkoma?

The racial and ethnic makeup of Ronkonkoma is as follows:
  • White: 71.4% (13,358 residents)
  • Black or African American: 5.4% (1,012 residents)
  • American Indian and Alaska Native: 0.2% (30 residents)
  • Asian: 6.2% (1,156 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (5 residents)
  • Two or More Races: 9.7% (1,818 residents)
  • Other: 7.1% (1,330 residents)

What percentage of the population in Ronkonkoma are U.S.-born citizens?

U.S.-born citizens represent 84.7% of the population in Ronkonkoma.

How many housing units are there in Ronkonkoma?

There are 6,534 housing units in Ronkonkoma, reflecting a +0.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Ronkonkoma and what is the average household size?

Ronkonkoma has a total of 6,133 households, with an average of 3 people in each.

What is the median household income in Ronkonkoma?

Ronkonkoma has a median household income of $121,673, representing a -3.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Ronkonkoma?

The employment rate is 92.3% in Ronkonkoma, with a workforce of 9,908 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 77.9% (7,721 residents)
  • Blue-collar workers: 22.1% (2,187 residents)

Places of employment:
  • Self-employed: 7.2% (710 residents)
  • Private companies: 67.4% (6,673 residents)
  • Governmental workers: 17.3% (1,713 residents)
  • Not-for-profit companies: 8.2% (812 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025