Internet providers in Johnston, IA
Johnston is a city in Iowa with about 24,196 residents and roughly 12,264 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Johnston, IA
Share of residential locations in Johnston where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Mediacom | Fiber, Cable | 93% | |
| 2 | CenturyLink / Quantum Fiber | Fiber, DSL | 86% | |
| 3 | T-Mobile Home Internet | Fixed wireless | 75% | |
| 4 | AT&T | Fiber, DSL, Fixed wireless | 73% | Check availability |
| 5 | Verizon | Fiber, Fixed wireless | 60% | Check availability |
| 6 | Metronet | Fiber | 59% | |
| 7 | South Central Communications | Fiber | 6% | |
| 8 | Huxley Communications Cooperative | Fiber | <1% | |
| 9 | ICS Advanced Technologies | Fiber, Fixed wireless | <1% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in Johnston
Mediacom reports service to the most residential locations in Johnston, about 93%. 6 providers report coverage of at least half of locations (Mediacom, CenturyLink / Quantum Fiber, T-Mobile Home Internet, AT&T, Verizon, and Metronet), so the market looks competitive. Fiber-focused providers reporting service here include Metronet (59%) and South Central Communications (6%). T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Johnston?
Fiber is widely available: about 76% of locations in Johnston can get it. Gigabit-class service (1,000 Mbps down) is reported for about 70% of locations. DSL is still reported for about 55% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 90% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Johnston that providers report they can serve. City-level figures, not your address.
Johnston at a glance
About 94% of households in Johnston have a broadband subscription, 6 points above the Iowa average of 87%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Johnston
- Grimes, IA (4 mi)
- Urbandale, IA (5 mi)
- Clive, IA (7 mi)
- Ankeny, IA (7 mi)
- Des Moines, IA (10 mi)
- West Des Moines, IA (10 mi)
- Waukee, IA (11 mi)
- Altoona, IA (13 mi)
- Pleasant Hill, IA (14 mi)
- Norwalk, IA (14 mi)
- Ames, IA (24 mi)
- Indianola, IA (24 mi)
- Boone, IA (26 mi)
- Newton, IA (35 mi)
Frequently asked questions
Is fiber internet available in Johnston?
Yes, in part. About 76% of residential locations in Johnston can get fiber, 93% can get cable, and about 70% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Johnston?
Mediacom reports service to about 93% of residential locations in Johnston, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Johnston?
7 providers report service to at least 2% of locations in Johnston, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Johnston?
Fiber providers reporting service in Johnston include Metronet (59% of locations) and South Central Communications (6% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Johnston?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
More places in Iowa · Iowa cities · How we rank