City Comparison
Watertown vs Rapid City
Cost of living, salaries, climate and quality of life compared side by side.
VS
Watertown scores higher overall
Performance
Score Breakdown
Watertown
Rapid City
Livability
Affordability
Business
Growth
Expenses
Cost of Living
Watertown is the more affordable option overall — monthly living expenses run about
31% lower than in Rapid City.
Housing costs are a major driver: Watertown's average rent is
36% lower than Rapid City's.
| Metric | Watertown | Rapid City | Diff |
|---|---|---|---|
| Average Rent | $850 | $1,338 | -36% |
| Groceries | $380 | $340 | +12% |
| Utilities | $160 | $285 | -44% |
| Transport | $100 | $150 | -33% |
| Healthcare | $210 | $366 | -43% |
| Monthly Total | $1,700 | $2,479 | -31% |
| Cost Index | 88 | 99 | out of 100 |
Income
Salary & Income
Watertown offers 17% higher average salaries.
However, when adjusted for local cost of living, Watertown delivers stronger purchasing power —
meaning your dollar stretches further day-to-day.
The minimum comfortable salary in Watertown is estimated at
$45,000 vs $50,000 in Rapid City.
| Metric | Watertown | Rapid City |
|---|---|---|
| Average Salary | $54,000 | $46,200 |
| Salary Needed | $45,000 | $50,000 |
| Purchasing Power | 61,364 idx | 46,667 idx |
| Household Income | $63,500 | $70,870 |
Weather
Climate Comparison
Watertown runs warmer on average — a 45.7°F difference year-round.
For sunshine, Watertown comes out ahead with 268 more sunny days per year,
which can meaningfully impact mood and outdoor lifestyle.
Winter severity differs too — Watertown sees 33.2 more inches of snowfall annually.
| Metric | Watertown | Rapid City |
|---|---|---|
| Avg Temp | 45.70°F | °F |
| Summer High | 77.40°F | °F |
| Winter Low | 6.10°F | °F |
| Rainfall | 32.00 in | in |
| Snowfall | 33.20 in | in |
| Sunny Days | 268 | |
| Humidity | 68.00% | 59.00% |
Mobility
Commute & Transport
Watertown has the shorter commute — saving residents roughly
1,500 minutes (25 hours) per year compared to Rapid City.
Watertown scores higher for public transit, making it the better choice for car-free living.
For walkability, Watertown leads — a better score here means more amenities reachable on foot.
| Metric | Watertown | Rapid City |
|---|---|---|
| Commute Time | 15 min | 18 min |
| Transit Score | 35.0/100 | 30.0/100 |
| Walkability | 48.0/100 | 40.0/100 |
| Traffic Index | 28.00 | 45.00 |
| Car Dependency | High | Medium |
Population
Economy & Demographics
Rapid City is the larger city
— approximately 0.3x the population of Watertown.
From a growth perspective, Rapid City is expanding faster, signaling stronger demand for housing, jobs, and services.
On the employment side, Rapid City has a lower unemployment rate, reflecting a tighter and more competitive job market.
| Metric | Watertown | Rapid City |
|---|---|---|
| Population | 22,655 | 88,067 |
| Pop. Growth | 0.80% | 1.83% |
| Median Age | 38.5 | 39.1 |
| Unemployment | 3.10% | 1.90% |
| GDP | — | — |
At a Glance
Pros & Cons
Watertown
Advantages
Median home prices and overall cost of living remain significantly below the US national average per Census Bureau data.
Abundant outdoor recreation opportunities centered around Lake Kampeska and Lake Pelican.
Strong local economy driven by stable manufacturing and healthcare employers like Prairie Lakes Healthcare System.
Highly regarded technical education and workforce training via Lake Area Technical College.
Low crime rates and safe, family-friendly neighborhoods across the community.
Drawbacks
Winter weather brings harsh sub-freezing temperatures and notable snowfall totals.
Limited public transportation options necessitate car ownership for daily commuting.
Geographic isolation from major metropolitan hubs and large international airports.
Limited nightlife and entertainment options compared to larger urban areas.
Colder months can lead to seasonal constraints on outdoor recreational activities.
Rapid City
Advantages
Rapid City experienced a significant population growth rate of 1.83% from 2024 to 2025, indicating a thriving community.
The unemployment rate in Rapid City is exceptionally low at 1.9% in 2026, well below the national average, suggesting a strong job market.
Monument Health Rapid City Hospital received an 'A' Hospital Safety Grade from The Leapfrog Group for Spring 2025, highlighting high standards of patient safety.
The cost of living in Rapid City is slightly lower than the national average, with a cost of living index of 99, making it a relatively affordable place to reside.
Violent crime in Rapid City has seen a 26% decrease since 2020, reaching a five-year low in 2024, reflecting improved public safety efforts.
Drawbacks
Despite improvements, Rapid City's overall crime rate of 46 per one thousand residents is considered high compared to many communities nationwide.
Demand for housing has at times outpaced supply, contributing to rising costs and potential challenges for new residents.
Grocery prices in Rapid City are slightly higher than the national average, impacting everyday household expenses.
Some tourism-affiliated sectors in Rapid City offer lower-than-average wages, which can affect the overall earning potential for a segment of the workforce.
The city exhibits a medium car dependency, with limited public transit options and most residents relying on personal vehicles for commuting.
Explore
Dive Deeper
Key figures side by side — see which city wins each category at a glance.
Watertown
#71South Dakota, USA
69.3 / 100 overall
Avg Rent
$850
Avg Salary
$54,000
Cost Index
88
Commute
15 min
Transit Score
35.0/100
Walkability
48.0/100
Sunny Days
268/yr
Avg Temp
45.70°F
Pop. Growth
0.80%
Unemployment
3.10%
Livability
76
Business
72
Rapid City
#270South Dakota, USA
61.9 / 100 overall
Avg Rent
$1,338
Avg Salary
$46,200
Cost Index
99
Commute
18 min
Transit Score
30.0/100
Walkability
40.0/100
Sunny Days
/yr
Avg Temp
°F
Pop. Growth
1.83%
Unemployment
1.90%
Livability
74
Business
68
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