Brookfield, WI vs Sun Prairie, WI: Cost of Living

Which city costs less?

Sun Prairie, WI has a modeled overall cost index 17.1% higher than Brookfield, WI.

Brookfield, WI · modeled 2BR rent
$2,010 / month
Sun Prairie, WI · modeled 2BR rent
$1,710 / month

These are saved estimates, not current rental listings. Some cities use adjusted regional data. Your household budget can differ from the overall index. Sources and assumptions

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Cost of Living Comparison 2026

Compare Brookfield, WI and Sun Prairie, WI using saved regional data and explicit budgeting assumptions. Rent estimates are not live listings. Change the salary below, then check the source notes before applying a result to your household.

Saved regional estimates · Sources and assumptions

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Numbers update automatically as you type

Estimated extra cost: $1,111/month in Sun Prairie, WI

$150,000 in your current city has a modeled equivalent of $163,327 in Sun Prairie, WI

Regional cost estimates: Brookfield, WI uses Milwaukee, WI. Sun Prairie, WI uses Madison, WI. Available city ZIP rent estimates are shown separately.
Overall Cost
↑ 17.1%
More expensive
Monthly Impact
$1,111
Extra cost
Annual Impact
$13.3K
Per year

Assumes 60% of current gross income goes to living costs. The headline uses the category budget below; taxes, moving costs and savings goals are excluded.

Brookfield, WI

Population:42K
Cost Index:
85.8
100 = national average
Typical Home:$497K

Sun Prairie, WI

Population:38K
Cost Index:
100.5
100 = national average
Typical Home:$436K

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Brookfield, WI

The Badger State

42K
Population
State Tax
Yes

Located in Wisconsin, this city has a population of 42K residents.

Sun Prairie, WI

The Badger State

38K
Population
State Tax
Yes

Located in Wisconsin, this city has a population of 38K residents.

Cost Breakdown by Category

Estimated monthly spending: Brookfield, WI vs Sun Prairie, WI

Assumes 60% of your current gross income is spent on these categories. The headline and totals use this same budget. Rent estimates below are separate reference data. Rounded amounts may differ by $1.

Housing
↑ 45.4%
Brookfield, WI
$1,855
Sun Prairie, WI
$2,698
Difference
$843
more
Other
↑ 13.2%
Brookfield, WI
$1,723
Sun Prairie, WI
$1,949
Difference
$227
more
Transportation
↑ 1.5%
Brookfield, WI
$1,508
Sun Prairie, WI
$1,531
Difference
$22.93
more
Groceries
↑ 0.8%
Brookfield, WI
$1,059
Sun Prairie, WI
$1,067
Difference
$8.02
more
Healthcare
↑ 0.8%
Brookfield, WI
$793
Sun Prairie, WI
$799
Difference
$6.01
more
All Utilities
↑ 0.8%
Brookfield, WI
$561
Sun Prairie, WI
$565
Difference
$4.25
more

🏠Rent Comparison

Studio
From$1,540
To$1,280
↓ $260
1 Bed
From$1,680
To$1,500
↓ $180
2 Bed
From$2,010
To$1,710
↓ $300
3 Bed
From$2,480
To$2,260
↓ $220
Brookfield, WIZIP-level data

1BR range: $1,680–$1,680/mo

Sun Prairie, WIZIP-level data

1BR range: $1,500–$1,500/mo

💡 Note: HUD Fair Market Rents estimate 40th-percentile gross rents, including most tenant-paid utilities. City ZIP summaries are medians of those estimates, not market median rents. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$7,500
Monthly in Brookfield, WI
$8,611
Monthly in Sun Prairie, WI
$1,111
Difference

Home Values

Brookfield
Sun Prairie
$497K
Median Value
$436K
↑ +5.5%
YoY Change
↑ +2.6%
↑ +37.6%
5-Year Change
↑ +37%
$477K - $518K
Price Range
$436K

Homes in Sun Prairie are 12% less expensive than Brookfield

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
→ $0
Same taxes
Monthly Difference
$0
Same take-home
Effective Rate Diff
0.0%
Rate difference

Brookfield, WI

Federal Income Tax
Effective: 18.9%
$25.5K
Wisconsin State Tax
Effective: 5.9%
$8.8K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 30.6%
$45.9K
Take-Home Pay
$8,678/month
$104.1K

Sun Prairie, WI

Federal Income Tax
Effective: 18.9%
$25.5K
Wisconsin State Tax
Effective: 5.9%
$8.8K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 30.6%
$45.9K
Take-Home Pay
$8,678/month
$104.1K

Additional Tax Information

Brookfield, WI Tax Rates

Sales Tax:5.6%
Property Tax:1.8%

Sun Prairie, WI Tax Rates

Sales Tax:5.6%
Property Tax:1.8%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

Brookfield
Sun Prairie
43 Good
Air Quality
42 Good
68.6%
Good Air Days
72.1%
98 High
Climate Risk
94 Moderate
🌊🌡🌪
Top Hazards
🌊🌪💨
▲+3.3°F
2050 Outlook
▲+3.4°F
13 days
Heat Days >95°F
10 days
▲+3.3°F
2050 Outlook
▲+3.4°F
13 days
Heat Days >95°F
10 days

Before moving from Brookfield, WI to Sun Prairie, WI

Use this comparison to shortlist a move, then check the costs that depend on your household.

  1. Compare actual homes. Get current quotes in Sun Prairie, WI for the same bedroom count and included utilities as your home in Brookfield, WI. Add parking, deposits, insurance and any overlapping leases. The rent estimates above are a starting point, not available listings.
  2. Confirm your income. Check your expected pay with your employer, including any location adjustment. Use “Different salary at destination?” above to compare two incomes. The budget model excludes taxes and one-time moving costs; it is not a take-home-pay calculation.
  3. Price your daily routine. Check the commute from a specific address to work, school or childcare. Add household expenses missing from this model, such as childcare, debt payments and medical needs. Verify local services before signing a lease.
  4. Plan the transition. Get moving quotes and budget for travel, setup costs and time off. Open your Brookfield to Sun Prairie moving checklist to organize the tasks and timing.

Still choosing a destination? Explore cities similar to Sun Prairie, WI by cost, housing, population and region.

Frequently Asked Questions: Brookfield, WI vs Sun Prairie, WI

How do the cost estimates for Brookfield, WI and Sun Prairie, WI compare?

Sun Prairie, WI has a modeled overall cost index 17.1% higher than Brookfield, WI. This is a broad model comparison, not a survey of today's prices or a forecast of your household spending. Some cities use adjusted regional fallback data.

What does the equivalent salary mean?

At a $150,000 salary in Brookfield, WI, the model estimates $163,327 in Sun Prairie, WI. It allocates 60% of gross income to the origin city’s category budget and applies each destination category’s relative cost. The equivalent salary adds the total category difference to your income. The monthly difference is the same category difference divided by 12; it is not take-home pay or guaranteed savings. Household size, childcare and your actual lease are not inputs to this calculation.

What rent estimates are available for Brookfield, WI and Sun Prairie, WI?

The modeled two-bedroom rents are $2,010/month in Brookfield, WI and $1,710/month in Sun Prairie, WI. Where available, the source is a city median of HUD FY2026 ZIP-level estimates; otherwise a saved metro table is used. City adjustments may also apply. These are not asking rents or available listings. Compare actual properties with the same bedroom count and included utilities.

How should I use this comparison before moving?

Use it to shortlist locations, then replace modeled costs with a current housing quote, employer-confirmed income, commute costs, insurance and your household's other expenses. Add one-time moving costs separately. Source years differ and the saved datasets are not a live price feed. Read the methodology for the formulas and fallback rules.

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