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Cowan

New South Walesvillage

Photograph of Cowan
Featured view

Cowan

Total population

599

Air quality index

47Good
WeatherAvg high 72°F
Coordinates-33.59°, 151.17°

Demographic figures from Australian Bureau of Statistics. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Cowan is a small outer suburb of Northern Sydney in the state of New South Wales, Australia, approximately 40 kilometres (25 mi) north of the Sydney central business district, in the local government area of Hornsby Shire. Cowan shares the postcode of 2081 with Berowra.

Read more on Wikipedia

History & geography

History

Numerous ideas exist concerning the origin of the town's name. These include that it comes from an Aboriginal word meaning big water, opposite or the other side; that it was derived from a tree on which cowa, meaning mountain, was carved; that it might be named for one of two convicts listed in the 1828 census; or, that it is named after Kirkcowan in Britain. Besides the English botanist George Caley, who explored the area in 1805, the first Europeans to visit the area were timber-getters. The timber from Cowan was used for coach building, one of the first industries in the area. The railway stop at Cowan was originally a crossing loop to allow trains on the single-line north track to pass each other, and it was also the point at which auxiliary steam engines, connected to the trains at Hawkesbury River station (Brooklyn), were disconnected after the steep haul to the top of the plateau. A station and platform were constructed in 1901. With the coming of the railway, Cowan become a popular holiday spot and a regular starting point for bushwalkers. In 1958, the rail line was electrified, and this also increased the number of people visiting the area, with families moving into the suburb, particularly those wanting to raise children in a bushland setting but near the city. There has been little change in Cowan village since it was first laid out as a crown subdivision in 1910. Lots ranged from 1,500 to 4,500 square metres. The predominance of freestanding three-bedroom houses set in gardens provides a sense of openness, and creates a pleasant transition to the bushland which surrounds the town.

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Excerpted from the corresponding Wikipedia article (CC BY-SA).

Geography

Latitude
-33.5888
Longitude
151.1699
Water area
View on OpenStreetMap

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

Climate

Avg high
72°F
Avg low
56.4°F
Annual precipitation
38.8 in

10-year averages from ERA5 reanalysis (Open-Meteo).

Air quality

US AQI — Good
47
PM2.5 (µg/m³)
4.7
PM10 (µg/m³)
5.8
Ozone (µg/m³)
56
NO₂ (µg/m³)
3.3

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

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
396,061
Distinct species (top 10)
10

Most-observed species

  • Rainbow Lorikeet
    Trichoglossus haematodus (Linnaeus, 1771) · Aves
    12,522
  • Sulphur-crested Cockatoo
    Cacatua galerita (Latham, 1790) · Aves
    9,903
  • Noisy Miner
    Manorina melanocephala (Latham, 1801) · Aves
    9,589
  • Laughing Kookaburra
    Dacelo novaeguineae (Hermann, 1783) · Aves
    8,846
  • Australian Magpie
    Gymnorhina tibicen (Latham, 1802) · Aves
    7,649
  • Australian Brushturkey
    Alectura lathami J.E.Gray, 1831 · Aves
    5,574
  • Gray Butcherbird
    Cracticus torquatus (Latham, 1802) · Aves
    5,315
  • common ringtail possum
    Pseudocheirus peregrinus (Boddaert, 1785) · Mammalia
    5,185

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

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
6
Largest magnitude
5.1
Largest event
2025-04-22

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 New South Wales

Browse all places in New South Wales

Geography & sun

Avg solar (kWh/m²/day)
4.65
Annual solar (kWh/m²)
1,697

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Books about Cowan

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

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

Events

Sources

  • Wikipedia
  • Open-Meteo (ERA5 reanalysis)
  • Wikidata
  • Open-Meteo Air Quality (CAMS)
  • USGS Earthquake Catalog (global feed)
  • GBIF (Global Biodiversity Information Facility)
  • iNaturalist
  • Open-Meteo / sunrise-sunset.org
  • Open Library