Welcome to Rocklin ...

The city of Rocklin is located in Placer County<1>.

While we don't have a date for the founding of Rocklin, you might consider that their post office opened  in 1868.

The city was incorporated February 24, 1893.

From the  Census Estimates for 2019, Rocklin has a population of 69,474 people<2> (see below for details).

Rocklin is 380 feet [116 m] above sea level.<3>.

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

Rocklin lies within the (916) area code.

The ZIP codes for Rocklin: 95677, 95765<4>

Websites for Rocklin ...

Official Website:   www.ci.rocklin.ca.us/

Chamber of Commerce:   www.rocklinchamber.com/

Population Details ...

Taken from the 2019 Census Estimates, Rocklin had an population of 69,474 people. This is an increase of 21.94% since the 2010 Census (or an increase of 91.23% since the 2000 Census).

At the time of the 2010 Census, Rocklin had a population of 56,974 people (which is 16.35% of the total population of Placer County). This makes Rocklin the county's 2nd most populous community.

The population of Rocklin represents 0.15% of the total population of California (which has 37,253,956 people), making it the state's 149th most populous community.

With a 2010 count of 56,974 people, the population of Rocklin increased 56.82% from the 2000 Census (which had a count of 36,330 people).

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

Communities Also Named Rocklin ...

Using our Gazetteer, we found another community named Rocklin - it's located in Nova Scotia.

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

Communities near Rocklin ...

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

• Sacramento
  (19 miles [30.6 km] to the southwest)
  • Jump to our Gazetteer entry for Sacramento
  • Sacramento is located in Sacramento County
  • Population from the 2020 Census: 512,838 people
  • Jump to TripAdvisor's Tourism page for Sacramento <5>
• Citrus Heights
  (6 miles [9.7 km] to the south)
  • Jump to our Gazetteer entry for Citrus Heights
  • Citrus Heights is located in Sacramento County
  • Estimated population in 2015: 87,056 people
  • Jump to TripAdvisor's Tourism page for Citrus Heights <5>
• Folsom
  (9 miles [14.5 km] to the southeast)
  • Jump to our Gazetteer entry for Folsom
  • Folsom is located in Sacramento County
  • Population from the 2020 Census: 82,726 people
  • Folsom has also been known as:
  • Folsom City
  • Jump to TripAdvisor's Tourism page for Folsom <5>
• Rancho Cordova
  (14 miles [22.5 km] to the south)
  • Jump to our Gazetteer entry for Rancho Cordova
  • Rancho Cordova is located in Sacramento County
  • Estimated population in 2015: 71,017 people
  • Jump to TripAdvisor's Tourism page for Rancho Cordova <5>
• Lincoln
  (7 miles [11.3 km] to the northwest)
  • Jump to our Gazetteer entry for Lincoln
  • Lincoln is located in Placer County
  • Population from the 2020 Census: 48,996 people
  • Jump to TripAdvisor's Tourism page for Lincoln <5>
• Auburn
  (11 miles [17.7 km] to the northeast)
  • Jump to our Gazetteer entry for Auburn
  • Auburn is located in Placer County
  • Population from the 2020 Census: 14,205 people
  • Jump to TripAdvisor's Tourism page for Auburn <5>
• Wheatland
  (18 miles [29 km] to the northwest)
  • Jump to our Gazetteer entry for Wheatland
  • Wheatland is located in Yuba County
  • Population from the 2020 Census: 3,666 people
  • Jump to TripAdvisor's Tourism page for Wheatland <5>
• Granite Bay
  (4 miles [6.4 km] to the southeast)
  • Jump to our Gazetteer entry for Granite Bay
  • Granite Bay is located in Placer County
  • Jump to TripAdvisor's Tourism page for Granite Bay <5>
• Whitney ‑ Historic
  (4 miles [6.4 km] to the northwest)
  • Jump to our Gazetteer entry for Whitney
  • Whitney is located in Placer County
• Penryn
  (5 miles [8 km] to the northeast)
  • Jump to our Gazetteer entry for Penryn
  • Penryn is located in Placer County
  • Jump to TripAdvisor's Tourism page for Penryn <5>

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 Rocklin. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Rocklin.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Rocklin. 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 Rocklin.

We also have a detailed list of newspapers that have been published in the area around Rocklin. Our list includes 5 papers. See our Newspapers Page for Rocklin.

TripAdvisor Tourism Pages for Rocklin ...

Looking for more information about Rocklin? 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 Rocklin, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Rocklin.

Adding Rocklin to Our Gazetteer ...

We originally found mention of Rocklin 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 Rocklin was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Rocklin post office opened in 1868.

We also found Rocklin in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for Rocklin.

Off-the-Road Links ...

The official website for Rocklin: www.ci.rocklin.ca.us/

The official website for Placer County: www.placer.ca.gov/

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