Population
37,635
2025
+9.6% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Brookings County, SD: population growth, jobs and income
Brookings County gained 821 residents between 2024 and 2025 (+2.2%).
Brookings County had an estimated 37,635 residents in 2025, up 9.6% (3,297 more people) since 2020. That is faster than South Dakota as a whole (+5.3%), and the 6th fastest growth of 65 counties in South Dakota.
Data as of 2025 · updated
14-day full refund · Stripe, Apple Pay or Google Pay · Instant PDF + CSV · Sold by Simply Stats LLC (NC)
How we compute every number · Refund terms
In the Brookings County report
One-time $99 PDF: everything on this page for Brookings County, ranked against South Dakota and the U.S., plus these figures that are not on the free page:
- Median gross rent$901/mo2020–24
- Vacant homes, incl. seasonal and second homes9.1%2020–24
- New homes permitted, last 12 months1412025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
+30
2025
0.8 per 1,000 residents
+595 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
2.1%
2025
−0.5 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
357
2025
+102.8% since 2021
9.5 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$70,064
2020–24
+21.9% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
15,151
2023
+9.4% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration added 30 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 15,151 paid employees in mid-March 2023, +9.4% since 2018 (County Business Patterns).
Unemployment averaged 2.1% in 2025, 0.5 points lower than in 2019 (before the pandemic).
Builders were authorized to start 357 new homes in 2025, or 9.5 per 1,000 residents.
Median household income was $70,064 in the 2020–24 American Community Survey, +21.9% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 219th.
Part of the Brookings, SD micro area.
Get Brookings County’s next numbers by email
Email me when Brookings County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Brookings County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 37,635 | +821 |
| 2024 | 36,814 | +987 |
| 2023 | 35,827 | +442 |
| 2022 | 35,385 | +709 |
| 2021 | 34,676 | +338 |
| 2020 | 34,338 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Brookings County
Brookings County grew by 3,297 people since 2020; the largest part came from international migration (+1,883).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +194 | +799 | |
| International migrationfrom and to other countries | +592 | +1,883 | |
| Domestic migrationfrom and to other U.S. counties | +30 | +595 | |
| Census adjustmentbalancing residual | +5 | +20 | |
| Total change | +821 | +3,297 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In South Dakota | Among U.S. counties |
|---|---|---|
| Population growth | 6th of 65 | 219th of 3,107 |
| Net domestic migration per 1,000 residents | 23rd of 65 | 1,777th of 3,108 |
| Private-sector job growth | 18th of 65 | 743rd of 3,092 |
| Median household income | 39th of 65 | 1,183rd of 3,107 |
| Lowest unemployment rate | 34th of 65 | 47th of 3,108 |
| New homes permitted per 1,000 residents | 5th of 62 | 171st of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Brookings County, SD as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
Add 2 neighbouring counties for $50: the Lake County and Pipestone County reports too, $149 for all 3.
Preview page 1 of the Brookings County report (free, PDF) · See a full 5-page sample (PDF) · Other counties and options
Every purchase also includes a CSV of every table in the report, ready for a spreadsheet.
- Not useful? Email us within 14 days for a full refund
- Sold by Simply Stats LLC (NC)
- Secure Stripe checkout (Apple Pay/Google Pay)
- Instant PDF download
- PDF + CSV of every table
Refund terms: Terms. · How we compute every number
Neighbouring counties
Over 2020–25, Brookings County's population change (+9.6%) was ahead of 6 of its 7 neighbouring counties and behind 1 (Hamlin County).
5 of its 7 neighbouring counties had a higher median household income than Brookings County's $70,064 (2020–24).
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Brookings County, SD This county | 37,635 | +9.6% | 0.8 | 9.5 | $70,064 |
| Moody County, SD | 6,632 | +4.5% | −6.8 | 3.2 | $78,427 |
| Deuel County, SD | 4,408 | +2.6% | 1.1 | 2.5 | $83,112 |
| Lake County, SD | 10,993 | −0.2% | −5.1 | 7.8 | $76,808 |
| Hamlin County, SD | 6,900 | +11.8% | −1.4 | 10.3 | $87,101 |
| Lincoln County, MN | 5,583 | −0.7% | −3.0 | 3.0 | $69,694 |
| Pipestone County, MN | 9,260 | −1.7% | 0.1 | 1.4 | $69,628 |
| Kingsbury County, SD | 5,284 | +1.6% | 1.7 | 3.4 | $74,000 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Brookings County growing?
Yes. Its population grew 9.6% between 2020 and 2025, about 3,297 more people (Census Bureau population estimates). South Dakota as a whole changed +5.3% over the same years. That ranks 6th of 65 counties in South Dakota for population growth.
How many people moved to Brookings County?
On net, about 30 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
What is the unemployment rate in Brookings County?
It averaged 2.1% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Brookings County?
About 37,635 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Brookings County?
Private employers there had 15,151 paid employees in mid-March 2023, +9.4% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in South Dakota
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other South Dakota county pages carry the public federal growth figures.
Brookings County data alerts
Email me when Brookings County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.