Rockland County, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in New York
The population of Rockland County, New York is 338,936 as of the 2023 American Community Survey, making it the 13th-largest county in New York. The median household income is $110,631, the median home value is $564,200, and the median age is 35.1.
The population of Rockland County has grown 11.4% since 2010 (312,497 → 348,144), a +0.77% annualized rate.
338,936
Population
+0.77%
Annual growth
1951
People / sq mi
$110,631
Median Income
$564,200
Median Home Value
Rockland County covers 174 sq mi of land at 1951.4 people per square mile.
About Rockland County, NY
What sets Rockland County apart is money: median household income runs $110,631, above the US median of $78,538. With 338,936 residents, Rockland County is a county in New York. It ranks #13 among counties in New York by population.
Households here are among the highest-earning of all US counties: median income is $110,631, above the US median of $78,538. Poverty runs at 10.7%, below the national 12.4%. Real estate commands a premium here — a median home value of $564,200, with typical rent around $1,826.
The population is unusually well-credentialed for US counties — 42.1% of adults have a four-year degree, above the national 35.0%. A solid 12.8% of workers are based at home, below the national 14.0%, and the average commute runs about 30 minutes each way.
Taken together, the income and housing figures place Rockland County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Rockland County Population History (2010-2024)
The county of Rockland County had a population of 312,497 in 2010 and 348,144 in 2024, a 11.4% growth over 14 years. The peak was 348,144 in 2024. Average annual growth rate: 0.78%.
348,144
Population (2024)
312,497
Population (2010)
348,144
Peak (2024)
0.78%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 312,497 |
| 2011 | 315,448 |
| 2012 | 317,201 |
| 2013 | 319,290 |
| 2014 | 321,120 |
| 2015 | 322,938 |
| 2016 | 323,231 |
| 2017 | 324,600 |
| 2018 | 325,656 |
| 2019 | 326,352 |
| 2020 | 337,378 |
| 2021 | 339,828 |
| 2022 | 340,756 |
| 2023 | 343,310 |
| 2024 | 348,144 |
Race & Ethnicity
| White | 64.2% |
| Black or African American | 11.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
35.1
Median Age
50.5%
Female
49.5%
Male
15.6%
Age 65+
Age Distribution
Children (under 15): 24.5% · Seniors (65+): 15.6%
Income & Poverty
| Median household income | $110,631+$26,053 vs state |
| Mean household income | $147,764 |
| Per-capita income | $45,538 |
| Poverty rate | 10.7%+0.9% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 59.5% |
Top Industries by Employment
The largest employment sector in Rockland County is professional & business services, accounting for 33.3% of workers.
How residents commute
6.3%
Drive alone
3.2%
Carpool
66.3%
Public transit
12.8%
Work from home
30.3 min
Avg commute
Housing
$564,200+$161,200 vs state
Median home value
$1,826
Median rent
68.3%
Homeownership rate
108,576
Total housing units
95.1%
Occupied
4.9%
Vacant
31.7%
Renter-occupied
Social & access
95.5%
With health insurance
91.9%
With broadband internet
12.4%
Foreign-born
3.0%
Veterans (18+)
8.9%
With a disability
56.4%
Speak language other than English at home
Education
87.7%
High School+
42.1%
Bachelor's+
Largest cities in New York
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Part of New York
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County rankings
Frequently Asked Questions
Rockland County, New York has a population of 338,936 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in New York. Population density is 1951 people per square mile.
The population of Rockland County has grown 11.4% since 2010 (312,497 → 348,144), a +0.77% annualized rate.
The median household income in Rockland County, New York is $110,631, with mean (average) household income of $147,764 and per-capita income of $45,538. 10.7% of residents live below the federal poverty level.
In Rockland County, the largest racial and ethnic groups are White (64.2%), Black or African American (11.0%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Rockland County, New York is 35.1 years. Residents are 50.5% female and 49.5% male.
The median home value in Rockland County is $564,200 and median monthly rent is $1,826. 68.3% of occupied housing units are owner-occupied. The county has 108,576 total housing units, 4.9% of which are vacant.
The largest employment sector in Rockland County, New York is professional, scientific, and management services, employing 33.3% of workers. The unemployment rate is 3.7%.
New York is among the largest cities associated with Rockland County, New York, with a population of 8,516,202.
Rockland County, NY Climate
Rockland County, NY has an average annual temperature of 10.6°C (51°F) and receives about 1268 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.6°C
Avg Temp
1268
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 98 mm |
| February | -1° / 30° | 79 mm |
| March | 4° / 39° | 105 mm |
| April | 10° / 49° | 112 mm |
| May | 15° / 60° | 120 mm |
| June | 20° / 69° | 106 mm |
| July | 23° / 74° | 114 mm |
| August | 22° / 72° | 108 mm |
| September | 18° / 64° | 116 mm |
| October | 12° / 53° | 101 mm |
| November | 6° / 44° | 112 mm |
| December | 1° / 33° | 97 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Rockland County, NY
The most comfortable months to visit Rockland County, NY are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). May is usually the wettest month.
Where to stay near Rockland County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.