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Topstone

ConnecticutCDP

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Total population

122

Air quality index

36Good
Weather54°F · Rain Likely
Coordinates41.30°, -73.45°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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Active weather alerts
  • Wind Advisory · Moderate
    Wind Advisory issued September 25 at 2:48PM EDT until September 27 at 6:00AM EDT by NWS Upton NY

Source: NOAA National Weather Service.

City facts

Overview

As a small census-designated community in Connecticut, United States, Topstone occupies its own corner of the country. The settlement sits at 41.296°, -73.447°, a temperate location in the northern hemisphere. Around 122 people are recorded as living there in the most recent open data. Based on its temperate position, residents likely encounter four distinct seasons with warm summers and cold winters. Population density therefore averages about 244 per km², a relatively low population density. It covers a compact 0.5 km² of land area. Open-data panels below dive into population trends, climate normals, environmental indicators and nearby places.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Geography

Latitude
41.2963
Longitude
-73.4466
Water area
—
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Tonight
54°F
Rain Likely
Saturday
60°F
Rain
Saturday Night
54°F
Rain
Sunday
64°F
Rain
Sunday Night
57°F
Light Rain
Monday
65°F
Light Rain

Forecast for Topstone, CT from NOAA NWS API.

Air quality

US AQI — Good
36
PM2.5 (µg/m³)
4.5
PM10 (µg/m³)
4.7
Ozone (µg/m³)
76
NO₂ (µg/m³)
5.3

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
632,220
Distinct species (top 10)
10

Most-observed species

  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    19,287
  • Tufted Titmouse
    Baeolophus bicolor (Linnaeus, 1766) · Aves
    18,937
  • Black-capped Chickadee
    Poecile atricapillus (Linnaeus, 1766) · Aves
    18,289
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    18,196
  • Song Sparrow
    Melospiza melodia (A.Wilson, 1810) · Aves
    17,862
  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    17,543
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    16,164
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    15,248

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
4
Largest magnitude
3
Largest event
2025-08-03

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Connecticut

Browse all places in Connecticut →

Geography & sun

Nearby airports

Public attention

Books about this place

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Events

Sources

  • • NOAA National Weather Service
  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist