Cost of living in Day County, SD
Population 5,460 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Day County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Day County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Day County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Day County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Day County
Insurance premiums and coverage rates.
Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.
Taxes in Day County
State and local tax rates for South Dakota.
Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.
Transportation in Day County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Day County
What it costs to live in Day County each month.
- Rent $674
- Energy $200
- Water $50
- Groceries $324
- Transport $320
- Healthcare $480
- Federal tax $447
- State tax $0
- Rent $872
- Energy $240
- Water $60
- Groceries $537
- Transport $420
- Healthcare $864
- Federal tax $689
- State tax $0
- Rent $1,167
- Energy $300
- Water $70
- Groceries $815
- Transport $520
- Healthcare $1,350
- Childcare $1,200
- Federal tax $689
- State tax $0
Frequently asked questions about Day County
Common questions about cost of living, rent and salary.
What is the average rent in Day County?
In Day County, SD, a one-bedroom apartment averages $674 per month, a two-bedroom averages $872 per month, a three-bedroom averages $1,167 per month, according to HUD Fair Market Rent data.
What is the average salary in Day County?
In Day County, SD, the average household income is $62,270 per year and individual earnings for full-time workers average $37,390 per year, according to U.S. Census Bureau data.
What is the cost of living in Day County?
The estimated cost of living in Day County, SD is approximately $2,495 per month for a single person, $3,682 for a couple, $6,111 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Day County?
The combined sales tax rate in Day County, SD is 6.10%, which includes the South Dakota state rate of 4.20% plus an average local rate of 1.90%.
Is Day County an affordable place to live?
Based on the data, a single person in Day County, SD would need approximately $2,495 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $62,270 per year ($5,189 per month). Day County is relatively affordable compared to the national average.
How much does healthcare cost in Day County?
The ACA marketplace benchmark premium in Day County, SD is approximately $480 per month for an individual. Approximately 7.5% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Day County?
The average home value in Day County, SD is $155,100, with average annual property taxes of $1,598, according to U.S. Census Bureau data.
How does Day County compare to other areas?
You can compare Day County, SD with any other US county using our comparison tool at /compare. Day County is in South Dakota.
Other counties in South Dakota
Browse the full list of counties in South Dakota, ranked by cost of living.
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About this data
All figures on this page come from official U.S. government sources, listed below.
- HUD FMR FY2025
- ACS 2019-2023 5-Year
- EIA
- ACS + national avg
- ACS
- USDA + BEA RPP