Sempronius (Township)
Sempronius’s story
Sempronius in pictures
The archive holds 4 old photos and papers going back to 1904.
Explore the history →SemproniusNY
A town of 891.
Population
891
2025 Census estimate · +5.4% since 2020
Median home value
$154K
Census ACS
Household income
$70K
median
Median age
41.8
years
Jobs based here
37
A commuter town
Is Sempronius a good place to live?
Sempronius’ July high is 77°F, below both New York’s towns (81°F) and U.S. towns (85°F). Only 1 of the 759 New York towns we compare have a lower share of working residents who work in town than Sempronius. The biggest place to walk is Bear Swamp State Forest, 3,509 acres with 14.8 miles of trail. Sempronius has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Small town
891 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
NilesMoraviaScottSummerhillSpaffordSempronius
Getting set up
The full setup list →Moving to Sempronius: who provides what
Who provides power, water and the rest in Sempronius, and how to reach them.
PowerNew York State Elec & Gas22.6¢/kWh · EIA 2025HIFLD · EIA
WaterPleasant Valley Mobile Home Park-MoraviaNo health-based violations in 5 years · EPAEPA
Internet3 providers86% of addresses get 100/20 MbpsFCC
Trash & dumpNot on file yetWe don’t have Sempronius’ trash rules yet
Register to voteOnlineIn New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before).vote.govWho runs elections hereCayuga County Board of ElectionsCayuga County; contacts on the Handbook page.FVAP, Sep 2025
ZIP codes13118, 1307713118 98% · 13077 2%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
The data
Ordered by what stands out in Sempronius.
Work & commute
Most of Sempronius’ workers commute out: the town has 0.1 jobs for each of them
Most working residents leave Sempronius for work: only 1% work in town. The average trip to work in Sempronius is 29 minutes. The top destinations are Ithaca (9%), Moravia (8%) and Ithaca (8%).
1%work in town
| Sempronius | New York towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 29 minutes | 25 minutes | 25 minutes |
| Median household income | $70,000 | $82,000 | $80,000 |
| Below the poverty line | 11% | 9.5% | 9.6% |
Where working residents work
In Sempronius1%
Ithaca9%
Moravia8%
Ithaca8%
Lansing7%
20 mi
median commute distance
37
jobs based in Sempronius
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACS
Natural hazards
Sempronius faces a high natural-hazard risk, led by inland flooding
Expected storm and flood damage is higher than in 78% of U.S. communities. Since 1979, 5 flood insurance claims have been paid out in Sempronius.
78risk score of 100
FEMA risk score
Inland flooding
5
paid flood claims since 1979
2
federal disasters paid out here
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
23%conserved
23%
conserved · 4,355 of 18,901 acres
22 mi
of trails · 0.7 per sq mi
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Bear Swamp State Forest | 14.8 mi | 3,509 |
| 2. Summer Hill State Forest | 6.1 mi | 706 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Climate
Sempronius has snowy winters and pleasant summers
Sempronius has cold, snowy winters and pleasant summers. Sempronius’ January low is 13°F.
117″snow a winter
Typical low → high °F
Winter16–31°
Spring33–52°
Summer56–76°
Fall40–57°
Oct 5
typical first frost
May 12
typical last frost
+1.1°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Health
How healthy Sempronius is
Sempronius beats the New York average on 0 of 32 CDC measures and trails it on 10. 17% of Sempronius adults smoke cigarettes.
| Sempronius | New York towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 17% | 13% | 14% |
| Sleep under 7 hours (CDC PLACES) | 40% | 37% | 36% |
| Get no exercise (CDC PLACES) | 29% | 25% | 25% |
| Feel lonely (CDC PLACES) | 34% | 32% | 33% |
32 measures vs. New York
0 better22 too close to call10 worse
| What stands out | Sempronius | NY |
|---|---|---|
| More smokers | 16.6% | 11.3% |
| More adults with COPD | 8.4% | 6% |
| More older adults who have lost all their teeth | 16.8% | 12.8% |
Guthrie Cortland Regional Medical Center
11.6 mi away · emergency room
1 of 3
care shortages: primary care
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
$223Kmedian sale price
| Sempronius | New York towns | U.S. towns | |
|---|---|---|---|
| Households that own their home | 92% | 75% | 73% |
| Median rent | $950 a month | $1,101 a month | $1,185 a month |
1
homes sold in April
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Nearby attractions
All 51 attractions →JMA Wireless Dome and 27 more within 40 miles
Museums, parks, gardens and other places to visit around Sempronius. Close and well known come first.
23 mi Stadium & arenaJMA Wireless Dome
19 mi LakeCayuga Lake
30 mi LakeSeneca Lake
25 mi LakeOnondaga Lake
19 mi State parkTaughannock Falls State Park
37 mi State parkWatkins Glen State ParkSources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits
JMA Wireless Dome: Jimhoward03, CC BY-SA 4.0 · Cayuga Lake: The original uploader was Cornellrockey at English Wikipedia. Later versions we, CC BY-SA 2.5 · Seneca Lake: RochesterNY, Public domain · Onondaga Lake: R. A. Nonenmacher, CC BY-SA 4.0 · Taughannock Falls State Park: Michael C. Rygel, CC BY-SA 3.0 · Watkins Glen State Park: Flickr user: Peter Rivera Stamford, Connecticut https://www.flickr.com/people/ri, CC BY 2.0
Keep exploring
Everything we know about Sempronius
18pages on Sempronius
The big questions
Out and about
The story
Day to day
After high school
Colleges nearby
1 within 15 miles of the center of Sempronius
About 0 of every 100 Sempronius residents are enrolled in college, against 7 across New York.
A commuter town
99% of working residents leave Sempronius for work
Where Sempronius’s working residents go each day. Line width shows the share.
37jobs based in Sempronius
1%of working residents work in town
20 mimedian commute distance
Census LEHD 2023
Famous people from Sempronius
3 notable people were born in Sempronius.
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About Sempronius
Town in New York, United States
Sempronius is a town in Cayuga County, New York, United States. The population was 840 at the 2020 census. The town was named after a Roman military and political leader by Robert Harpur, a clerk interested in the classics. Sempronius is in the southeastern part of the county, southeast of Auburn.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 30 sq mi
- Elevation
- 1,736 ft
- Area code
- 315
Questions about Sempronius
Short answers, built from the data on this page.
Is Sempronius, NY a good place to live?
Sempronius has fewer than 1,000 residents, too few for fair grades; the figures below are still real.