Spearfish grew from 12,239 to 14,154 residents between 2020 and 2025, a 15.6% increase that ranks 15th among South Dakota’s 310 municipalities. For a Spearfish website, that means being easy to find for the newcomers. A small business website in Spearfish doesn’t have to start with a big invoice: Aria builds it for $89 a month, domain and email included, and bills the first month only after your approval.

No setup fee: you only pay the $89 monthly fee, after you approve your website.

Spearfish up close: notes for a small business website

In Spearfish, 7.3% of workers walk to their jobs, far above most of the state. Customers on foot pass the door and look you up at the same time, comparing two or three places within a few blocks. Keep the hours current, because people walk over after checking them.

Spearfish dates from 1876, which gives it more than a century and a half of history behind it. History cuts both ways for a small business: the old names have recognition, and the new ones have to explain themselves faster. Just opened? Then the website has to do what word of mouth does for the older names: show the work, the people and the prices.

Spearfish weather and a seasonal business

Spearfish weather, in normals: July highs around 84°F, January lows around 16°F, measured at Spearfish, 2.8 miles away (1991-2020). Precipitation totals about 21 inches a year, with May the wettest month. Freezing nights (32°F or below) come about 144 times a year. Winter changes what people need: plowing and heating in winter, yard work and construction once it thaws. Plan the website around your busy season: a short email with the new text is all it takes.

What the Census counts in Spearfish

14,154Residents in 2025Census Bureau estimate
+15.6%Population change since 2020South Dakota: +5.5%
$65,688Median income per householdSouth Dakota: $75,081
40.0Median ageSouth Dakota: 38.0
92.2%Broadband subscription rateSouth Dakota: 89.6%
1,248Employer establishments in Lawrence CountyCounty Business Patterns 2023

Median household income is $65,688 in Spearfish and $75,081 in South Dakota, a gap of about 13%. There are 5,932 households, and 49.6% of them own their home.

What Spearfish customers look for before they call

Trips to work are short here: 65.9% take under 15 minutes. Short trips keep spending close to home, and customers pick the nearest business they can trust.

92.2% of households have a broadband subscription. Online research comes before the phone call.

Who you compete with in Spearfish

From the 2023 county count for Lawrence County:

  • RV parks and campgrounds (14): site types, amenities, rules, a map and a contact form for availability.
  • Custom home builders (39): a portfolio page per home, the steps of working with you and a contact form for buyers who are still comparing builders.
  • Real estate offices (36): the neighborhoods you know best, agent profiles and a contact form for buyers and sellers.
  • Auto body shops (13): photos of repairs, how you handle insurance claims and a form to request an estimate.

Across Lawrence County, County Business Patterns counted 1,248 employer establishments in 2023, and the Nonemployer Statistics add 3,227 businesses with no payroll, most of them self-employed owners. 71 hotels, inns and other lodging operate in Lawrence County, about seven times what the national mix would predict. In that line of work, travelers compare rooms, rates and location; the website should give customers rooms with real photos, amenities, location and how to reserve by email or through your booking channel. The jobs Spearfish residents hold are mostly in education, health care and social assistance (27.0%) and arts, entertainment, recreation, lodging and food service (16.3%).

The roads, towns and places around Spearfish

Spearfish’s nearest neighbors are Deadwood (8.6 miles, pop. 1,360), Central City (8.8 miles, pop. 112), Whitewood (9 miles, pop. 981), Lead (9.9 miles, pop. 3,064), Belle Fourche (12 miles, pop. 5,791) and Fruitdale (14 miles, pop. 80). By road, Spearfish is on Interstate 90. With 820 residents per square mile on 17.3 square miles of land, Spearfish is moderately dense by South Dakota standards. Devils Tower National Monument lies within 45 miles of Spearfish. 8 municipalities lie within 25 miles, each with its own customers. The city lies at an elevation of about 3,648 feet. A service area page that lists the towns you cover, from Spearfish to Central City and Deadwood, answers the first question many customers have: do you come to me?

What happens after you sign up

Aria is a web design company based in Curitiba, Brazil, building websites, online stores and business email since 2008. There is no Aria office in Spearfish, and you don’t need one: sign-up, material and approval all happen online.

  1. The sign-up at cadastro.ariaserv.com/en takes about 5 minutes; your logo and photos go by email.
  2. Review the website on a temporary link, ready within 5 business days, and request any changes by email.
  3. Approve it, pay the first month, and the website goes live on your domain together with your business email.

After launch, changes to text, photos and prices are requested by email and are part of the monthly fee; quick questions go by email too.

Plan$89/monthNo setup fee: you only pay the $89 monthly fee, after you approve your website. No lock-in contract.
  • Business website or online store, same price
  • Your domain, registered and renewed by us (or the one you already have)
  • Business email on your domain: 5 GB, webmail and spam filtering
  • Hosting, SSL certificate and daily backups
  • Changes to text, photos and prices, requested by email
  • Ready within 5 business days on a temporary link
I want the $89 plan

South Dakota rules to know before your website goes live

These are some of the South Dakota and federal rules a small business with a website runs into:

  • Fake or bought reviews are illegal under a federal rule in force since 2024 (16 CFR Part 465): post only real ones. 16 CFR Part 465
  • South Dakota’s state sales and use tax rate is 4.2%, and municipalities add their own sales tax on top of it. South Dakota Department of Revenue

This is general information, not legal advice. Your county, your city hall or an attorney can confirm what applies to you.

Small business website questions from Spearfish

When will I see the website?

The first version is ready within 5 business days on a temporary link. Publication on your domain comes after your approval and the first payment.

Travelers find me from Interstate 90. Can the website help them?

Yes. The contact page can carry directions from Interstate 90, your exit and a map with your address; send the details by email.

Can my website list the towns around Spearfish that I serve?

Yes. The website can carry a service area section naming Whitewood, Lead, Central City and any other town you cover; you send the list by email.

Is there a setup fee?

No. No setup fee: you only pay the $89 monthly fee, after you approve your website. There is no lock-in contract either: you can end the service whenever you need.

A professional website for your Spearfish business

Website, domain, business email and hosting for $89 a month, built with your brand and published only after your approval.

Start my sign-up
Sources for the numbers on this page
  • Numbers for Spearfish come from the U.S. Census Bureau: the Vintage 2025 population estimates, the 2020-2024 American Community Survey (5-year), County and ZIP Code Business Patterns 2023, Nonemployer Statistics 2023 and the 2025 Gazetteer for straight-line distances.
  • Climate: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (station USC00397882).
  • Highways: U.S. Census Bureau TIGER/Line 2024 primary roads and 2024 cartographic boundary files.
  • Founding year, nickname, elevation, waters, colleges, hospitals, airports and parks: Wikidata (item Q568764), retrieved on October 30, 2026; distances are straight-line.
  • State rules come from the official sources linked in that section (checked October 30, 2026); county seats from the USGS National Atlas.