Thiells, New York Demographics & Population 2026
During the 2020–2024 ACS period, Thiells, New York had a total population of 4,475, the 388th largest community in New York, with a median household income of $133,623, which is 55% higher than the state average. The poverty rate is 2.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 55% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 2.5% — among the lowest in New York.
- Near full employment with an unemployment rate of just 2.5%.
Thiells Quick Facts
How Thiells Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,539 | 4,475 | -1.4% |
| Median household income | $126,250 | $133,623 | +5.8% |
| Median home value | $532,200 | $579,700 | +8.9% |
How Thiells Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Thiells Rankings in New York
Explore New York Rankings
Other Cities in Rockland County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| New City | 34,458 | $173,046 | 4.3% | $650,700 |
| Spring Valley | 33,192 | $57,196 | 27.6% | $381,800 |
| Monsey | 28,160 | $47,629 | 49.1% | $921,000 |
| Nanuet | 19,799 | $117,167 | 9.3% | $532,500 |
| Pearl River | 16,155 | $145,063 | 7.3% | $608,200 |
| Stony Point | 12,728 | $125,667 | 4.9% | $506,500 |
| Haverstraw | 12,325 | $75,167 | 16.4% | $361,100 |
| Suffern | 11,441 | $104,607 | 6.1% | $382,100 |
| West Haverstraw | 10,711 | $86,301 | 17.9% | $377,200 |
| Chestnut Ridge | 10,557 | $111,725 | 8.1% | $720,100 |
Cities Similar to Thiells
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Montebello | 4,673 | $133,750 | $847,100 | 57.1% | 11.2% |
| Glen Head | 4,653 | $138,465 | $872,000 | 61.9% | 2.3% |
| Spackenkill | 4,279 | $141,005 | $440,500 | 67.5% | 1.8% |
| West Bay Shore | 4,208 | $137,083 | $584,400 | 52.0% | 4.1% |
| Mattituck | 4,606 | $121,250 | $750,000 | 47.6% | 4.2% |
Population Overview
Thiells is a small community located in New York, within Rockland County. The total population is 4,475. It ranks as the 388th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Thiells is 39.8 years. This is about the same as the state median of 39.8 years. 11.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Thiells is $133,623. This is 55% higher than the state median of $85,974. It is also 66% higher than the national median of $80,734. The poverty rate stands at 2.5%. This is 82% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.5%. This is 62% lower than the state rate of 6.4%. The median home value is $579,700. Housing costs are 37% higher than the state median of $423,800. The home-value-to-income ratio is 4.3x. 93.8% of occupied housing units are owner-occupied. This homeownership rate is 73% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Thiells is White (non-Hispanic), making up 67.0% of the population. Hispanic or Latino residents account for 28.9%. The Black or African American population (1.0%) is well below the state average of 13.4%. The Asian population (2.2%) is well below the state average of 9.0%.
Education
41.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 3% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.9%. Notably, 17.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Thiells, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Thiells, New York?
Thiells, New York has a population of 4,475 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Thiells, NY?
The median household income in Thiells is $133,623, which is 66% higher than the national median of $80,734.
What is the poverty rate in Thiells, NY?
The poverty rate in Thiells is 2.5%. This means approximately 111 residents live below the federal poverty line.
What is the racial makeup of Thiells, New York?
Thiells's population is 67.0% White, 1.0% Black, 28.9% Hispanic/Latino, and 2.2% Asian.
What is the median home value in Thiells, NY?
The median home value in Thiells is $579,700. The home-value-to-income ratio is 4.3x.
How educated is Thiells, New York?
41.4% of adults (25+) in Thiells hold a bachelor's degree or higher, and 17.2% hold a graduate or professional degree.