13 Best Internet Providers in Castle Rock, CO

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

Above are the top 4 providers in Castle Rock, CO for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.

All Providers

Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Castle Rock ratings may vary and are shown below.

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Who is the Best Internet Provider in Castle Rock, CO?

XFINITY from Comcast is the best internet provider in Castle Rock based on Colorado customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, XFINITY from Comcast had the best reviews at the local, state, and national levels versus all available providers in Castle Rock, making it a solid recommendation among providers with reviews. XFINITY from Comcast is an option for 97.65% of the city.

The chart and table below show average customer ratings from customers in Castle Rock, Colorado, and customers throughout the country.

Top Rated Internet Providers in Castle Rock

Local, State, and National Ratings for all Castle Rock Internet Providers

Based on 140 reviews from Colorado internet customers, XFINITY from Comcast is the best internet service provider for Castle Rock residents. XFINITY from Comcast was rated at an average of 3.36 out of 5 in our report for overall customer satisfaction. Centurylink wins for second-place in Colorado, with 3.00 out of 5 stars and 98.9% coverage in Castle Rock.

At a national level, based on 4365 national reviews for any of the providers listed above, Xtream Internet is rated higher than any other provider, with a rating of 2.79 out of 5.

Who is the Fastest Internet Provider in Castle Rock?

According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by XFINITY from Comcast. On the other hand, based on data provided by the internet providers to the FCC, Quantum Fiber should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.

Data Reported to FCC by ISPs: Average Maximum Available in Castle Rock

	ISP / Tech Type	Max Advertised Speed
	Aerux Broadband	10,000 Mbps
	Quantum Fiber	8,000 Mbps
	XFINITY from Comcast	2,000 Mbps
	Centurylink	2,000 Mbps
	BAM Broadband	1,000 Mbps
	Kellin Communications	1,000 Mbps
	Xtream Internet	500 Mbps
	Verizon	300 Mbps
	Visionary Broadband	200 Mbps
	Rise Broadband	100 Mbps
	AT&T	100 Mbps
	EarthLink	100 Mbps
	T-Mobile Home Internet	100 Mbps
	Viasat	100 Mbps
	HughesNet	25 Mbps

Customer Ratings for Internet Provider Speeds in Castle Rock

Based on data reported by Castle Rock ISPs to the FCC, the fastest speeds in the city are available through Quantum Fiber. The company offers speeds up to 10,000 Mbps in Castle Rock. Therefore, the average customer can get up to 1,992 Mbps if they're willing to purchase the fastest subscription tier available at their homes.

Additionally, actual customers in the city rated their satisfaction with internet speed highest with XFINITY from Comcast. This indicates XFINITY reliably delivers speeds expected by the customer based on the plan they are paying for.

Who is the Cheapest Internet Provider in Castle Rock?

Colorado customers rate Centurylink as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.

Centurylink received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. XFINITY from Comcast is rated in second place for affordability by the company’s Castle Rock customers with an average price rating of 3.00 out of 5.

The chart and graph below show how customers in Castle Rock, Colorado, and the United States rated the affordability of their internet service.

Rated Affordability in Castle Rock

Castle Rock Internet Health Assessment

ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Castle Rock below, including the metrics used and how Castle Rock compares to the rest of Colorado and nation.

Castle Rock ISP Report Card: B

	Metric (hover for details)	Castle Rock	Colorado	USA
	Fiber Availability Percent The percentage of households in Castle Rock that have a Fiber internet connection available to their home.	32.09%	58.61%	67.25%
	Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area.	1,754 Mbps	3,085 Mbps	3,293 Mbps
	Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Castle Rock.	9.3	7.0	6.8

 

Castle Rock Digital Connectivity Index: 92 / 100

	Metric (hover for details)	Castle Rock	Colorado	USA
	Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion.	2.8	2.6	2.7
	Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city.	27%	19%	14%
	Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households.	98%	97%	95%
	Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives.	97%	93%	90%
	Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households.	89%	80%	75%
	Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service.	90%	81%	76%

Castle Rock ISP Report Card & Digital Connectivity Index

The ISP Report Card in Castle Rock is B, which is much better than other cities. The local demand for broadband internet connectivity in Castle Rock is high with a score of 92 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Castle Rock have done a great job meeting the needs of its residents.

The Castle Rock ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.

97% of Castle Rock households have an internet connection despite having 99.93% availability. 89% of households have fiber, cable, or DSL, 7% have satellite, 0% are still on dial-up, and 1% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.

As you can see in the table above, while 89% of households have a broadband connection such as fiber, cable or DSL available to their home, 90% subscribe to it. A very large amount of Castle Rock residents are taking advantage of the available internet infrastructure.

For more details, please visit our ISP Report Card and Digital Connectivity Index pages.

How do Neighboring Cities Compare to Castle Rock?

How Much Speed does a Castle Rock Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Castle Rock is 2.8, which is larger than the Colorado average of 2.6 and larger than the national average of 2.7. Castle Rock's average household income is $147,858 which is much higher than the Colorado average of $105,825 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.

Castle Rock also has 17% of its population enrolled in school between the 6th grade and college level, this is higher than the Colorado average of 16%. Additionally, 27% of residents work from home, which is higher than the 19% of residents in Colorado who work from home. This and other factors you can see above show us that the community of Castle Rock has a very high need for internet connectivity and speeds.

Compared to the rest of the country, Castle Rock households are much more technology-engaged. 98% of households have some sort of computing device, 96% have desktops or laptops in the home, and 97% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.

Which Fiber Internet Providers are Available in Castle Rock?

Which Cable Internet Providers are Available in Castle Rock?

Which DSL Internet Providers are Available in Castle Rock?

Which Fixed Wireless and LTE Internet Providers are Available in Castle Rock?

Which ISP Should You Choose in Castle Rock?

The right ISP for you depends upon your needs, but in general we can make the following suggestions:

• The best all-around internet service provider in Castle Rock is XFINITY.
• The fastest internet provider should be Quantum Fiber. Considering speed for the money and reliability in speeds, XFINITY from Comcast may be a better choice based on real-world local customer feedback.
• The most affordable internet provider in Castle Rock is Centurylink.
• HughesNet, Centurylink, and Viasat has the broadest coverage in Castle Rock, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.

How does Castle Rock compare to other cities with a similar population?

To see how Castle Rock stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Castle Rock's B ISP Report Card and 92 / 100 Digital Connectivity Index.