Sempronius, New York
Town in Cayuga County · population 840 (2020 Census)
- Median home
- $154,200
- Household income
- $70,000
- Jan low / Jul high
- 11° / 77°
- Snow a year
- 91 in
- Tornadoes ≤10 mi since 1950
- 1
- Median age
- 41.8
Sempronius is a town of 840 people in Cayuga County, New York. The median home is worth $154,200, below the typical New York town ($217,700). It ranks easier by car than 89% of New York towns, quieter than 74% of New York towns.
How Sempronius ranks
Percentile among New York towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New York towns.
Homes and cost of living
The median home in Sempronius is worth $154,200, below the typical New York town ($217,700). Homes cost about 2.2 times the median household income of $70,000, which is more affordable than 76% of New York towns. Median rent is $950 a month. 92.1% of households own their home.
| Housing | Sempronius | Typical New York town |
|---|---|---|
| Median home value | $154,200 | $217,700 |
| Median rent | $950 | $1,080 |
| Median household income | $70,000 | $80,740 |
| Home value ÷ income | 2.2× | 2.8× |
| Homeownership | 92.1% | 79.5% |
| Median year built | 1974 | 1965 |
| Seasonal / vacation homes | 10.9% | — |
Who lives in Sempronius
| People | Sempronius | Typical New York town |
|---|---|---|
| Median age | 41.8 | 43.5 |
| Age 65 and over | 19.6% | 20.4% |
| Under 18 | 22.8% | — |
| Bachelor's degree or higher | 16.1% | 30.4% |
| Below the poverty line | 10.6% | 9.3% |
| Veterans | 9.2% | — |
| Born outside the U.S. | 0.9% | — |
| Work from home | 5.8% | 11.1% |
| Average commute | 29.3 min | 26.0 min |
| Homes with broadband | 87.4% | 91.1% |
Weather in Sempronius
July highs average 77.3°F and January lows 11.4°F. About 48.5 inches of rain and melted snow fall a year, with 90.7 inches of snow (typical New York town: 62.9 in). Expect about 1 days a year at 90°F or hotter and 164 nights at or below freezing.
Tornadoes, storms and disasters
1 tornado has passed within 10 miles of Sempronius since 1950, compared with 5 for the typical New York town. The strongest, an F0, struck on April 18, 2004 about 8.1 miles from the town center. The most recent was on April 18, 2004.
Hail of 1 inch or larger has been reported within 10 miles 16 times; the largest was 2.00 inches on June 9, 2011.
Severe weather in Cayuga County since 1996
Cayuga County has been included in 19 federal disaster or emergency declarations since 1953, most often for fire, flood, other.
| Declared | Incident | Declaration |
|---|---|---|
| October 8, 2021 | Hurricane | DR-4625: Remnants Of Tropical Storm Fred |
| March 20, 2020 | Biological | DR-4480: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3434: Covid-19 |
| November 14, 2017 | Flood | DR-4348: Flooding |
| October 28, 2012 | Hurricane | EM-3351: Hurricane Sandy |
Jobs and pay in Cayuga County
Cayuga County had 24,605 jobs in 2024, paying an average of $62,623 a year. Unemployment was 3.6% in 2023; in Sempronius itself the ACS puts it at 3%.
Towns near Sempronius
- Moravia, NY4.4 mi · 3,323 people · home $162,800
- Scott, NY4.6 mi · 1,077 people · home $159,900
- Moravia, NY5.3 mi · 1,224 people · home $131,300
- Summerhill, NY6.1 mi · 1,108 people · home $173,800
- Spafford, NY6.4 mi · 1,588 people · home $323,500
- Niles, NY6.6 mi · 1,137 people · home $197,100
- Locke, NY7.6 mi · 1,879 people · home $186,800
- Homer, NY9.7 mi · 6,293 people · home $172,900
Sempronius questions
Is Sempronius, New York a good place to retire?
On The Town Files lifestyle rankings, Sempronius scores better for retirees than 32% of New York towns and quieter than 74%. 19.6% of residents are 65 or older (median age 41.8).
How much does a house cost in Sempronius?
The median owner-occupied home in Sempronius is valued at $154,200 (Census ACS 2020–2024), against a median household income of $70,000, so homes cost about 2.2 times income. Median rent is $950 a month.
What is the weather like in Sempronius?
July highs average 77.3°F and January lows 11.4°F (NOAA 1991–2020 normals). It gets about 48.5 inches of precipitation a year and 90.7 inches of snow.
Does Sempronius get tornadoes?
1 tornado has passed within 10 miles of Sempronius since 1950 (NOAA Storm Events); the strongest was a F0 on April 18, 2004. The typical New York town has had 5.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)