Welcome to Hillsborough ...

The town of Hillsborough is located in San Mateo County<1>.

While we don't have a date for the founding of Hillsborough, you might get a feel for it by knowing that during our research the earliest mention that we found (so far) was on a map dated 1956.

From the  Census Estimates for 2019, Hillsborough has a population of 11,584 people<2> (see below for details).

Hillsborough is 270 feet [82 m] above sea level.<3>.

Time Zone: Hillsborough lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Hillsborough is located in the (650) area code.

Websites for Hillsborough ...

Official Website: www.hillsborough.net/

Population Details ...

Taken from the 2019 Census Estimates, Hillsborough had an population of 11,584 people. This is an increase of 7.01% since the 2010 Census (or an increase of 7.01% since the 2000 Census).

At the time of the 2010 Census, Hillsborough had a population of 10,825 people. This makes Hillsborough the county's 15th most populous community.

The population of Hillsborough represents 0.03% of the population of California (which has 37,253,956 people), making it the state's 361st most populous community.

With a 2010 count of 10,825 people, the population of Hillsborough has remained roughly the same as the 2000 Census (with a count of 10,825 people).

More information can be found on the Census Page for Hillsborough.

Communities Also Named Hillsborough ...

Using our Gazetteer, we found that there are 11 communities that are also named Hillsborough - they are located in Arkansas, Indiana (2), Kansas, Maryland (2), Missouri, New Brunswick, New Jersey, North Carolina and South Carolina.

For more information, see our Tidbits & Trivia Page for Hillsborough.

Communities near Hillsborough ...

We have created a list of 10 communities that are near Hillsborough.

• San Francisco
  (13 miles [20.9 km] to the north)
  • Jump to our Gazetteer entry for San Francisco
  • San Francisco is located in San Francisco County
  • Population from the 2020 Census: 866,606 people
  • Jump to TripAdvisor's Tourism page for San Francisco <4>
• Oakland
  (17 miles [27.4 km] to the north)
  • Jump to our Gazetteer entry for Oakland
  • Oakland is located in Alameda County
  • Population from the 2020 Census: 424,891 people
  • Jump to TripAdvisor's Tourism page for Oakland <4>
• Hayward
  (17 miles [27.4 km] to the east)
  • Jump to our Gazetteer entry for Hayward
  • Hayward is located in Alameda County
  • Population from the 2020 Census: 157,966 people
  • Jump to TripAdvisor's Tourism page for Hayward <4>
• Daly City
  (9 miles [14.5 km] to the northwest)
  • Jump to our Gazetteer entry for Daly City
  • Daly City is located in San Mateo County
  • Population from the 2020 Census: 105,868 people
  • Jump to TripAdvisor's Tourism page for Daly City <4>
• San Leandro
  (16 miles [25.7 km] to the northeast)
  • Jump to our Gazetteer entry for San Leandro
  • San Leandro is located in Alameda County
  • Population from the 2020 Census: 89,161 people
  • Jump to TripAdvisor's Tourism page for San Leandro <4>
• Redwood City
  (10 miles [16.1 km] to the southeast)
  • Jump to our Gazetteer entry for Redwood City
  • Redwood City is located in San Mateo County
  • Population from the 2020 Census: 84,466 people
  • Jump to TripAdvisor's Tourism page for Redwood City <4>
• Alameda
  (15 miles [24.1 km] to the northeast)
  • Jump to our Gazetteer entry for Alameda
  • Alameda is located in Alameda County
  • Population from the 2020 Census: 78,841 people
  • Jump to TripAdvisor's Tourism page for Alameda <4>
• Union City
  (18 miles [29 km] to the east)
  • Jump to our Gazetteer entry for Union City
  • Union City is located in Alameda County
  • Population from the 2020 Census: 74,501 people
  • Former name for Union City:
  • Decoto
  • Jump to TripAdvisor's Tourism page for Union City <4>
• Palo Alto
  (15 miles [24.1 km] to the southeast)
  • Jump to our Gazetteer entry for Palo Alto
  • Palo Alto is located in Santa Clara County
  • Population from the 2020 Census: 67,008 people
  • Jump to TripAdvisor's Tourism page for Palo Alto <4>
• Newark
  (18 miles [29 km] to the east)
  • Jump to our Gazetteer entry for Newark
  • Newark is located in Alameda County
  • Population from the 2020 Census: 49,699 people
  • Jump to TripAdvisor's Tourism page for Newark <4>

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Hillsborough. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Hillsborough.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Hillsborough. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Hillsborough.

We also have a detailed list of newspapers that have been published in the area around Hillsborough. See our Newspapers Page for Hillsborough.

TripAdvisor Tourism Pages for Hillsborough ...

Looking for more information about Hillsborough? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Hillsborough, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Hillsborough.

Adding Hillsborough to Our Gazetteer ...

We originally found mention of Hillsborough in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Hillsborough was on a map titled Road Map for California (from Shell Oil, 1956).

For more details, see References and Mentions for Hillsborough.

Off-the-Road Links ...

The official website for Hillsborough: www.hillsborough.net/

The official website for San Mateo County: www.co.sanmateo.ca.us/

The official website for State of California: https://www.ca.gov/