Brookings Population

1890–2026

25,725

2026 projection

10% since 2020 (increase)

05K10K15K20K25K30K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Brookings. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202625,725+3701.46%
202525,355+5022.02%
202424,853+6302.60%
202324,223+2781.16%
202223,945+4101.74%
202123,535+1580.68%
202023,377+130.06%
201923,364+10.00%
201823,363+400.17%
201723,323+2341.01%

Showing 10 of 29 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Brookings is growing faster than South Dakota and the U.S., and slower than Brookings County.

  • Brookings County+9.6%
  • Brookings+8.5%
  • South Dakota+5.3%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Brookings Demographics

24.7median age

Median age

Female24.4 yrs
Male25 yrs

Adults

19,500
2,888 seniors (65+) · 15% of adults16,612 other adults

Sex

Female 49.8% · 11,916Male 50.2% · 12,032

Population by age

MaleFemale85+ years, male: 10085+ years, female: 18280–84 years, male: 14480–84 years, female: 19775–79 years, male: 36675–79 years, female: 38670–74 years, male: 31470–74 years, female: 33265–69 years, male: 33465–69 years, female: 53360–64 years, male: 51960–64 years, female: 44655–59 years, male: 33355–59 years, female: 40550–54 years, male: 40350–54 years, female: 36245–49 years, male: 42945–49 years, female: 40940–44 years, male: 66940–44 years, female: 69935–39 years, male: 61835–39 years, female: 63530–34 years, male: 69830–34 years, female: 58725–29 years, male: 1,08325–29 years, female: 60220–24 years, male: 2,73220–24 years, female: 2,24515–19 years, male: 1,49715–19 years, female: 1,90110–14 years, male: 60610–14 years, female: 5375–9 years, male: 7005–9 years, female: 9380–4 years, male: 4870–4 years, female: 52085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 239 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Brookings Income

$63,493median household income

Median household income

$63,493

Half of households earn more, half earn less

Median earnings

$49,408

Typical yearly pay for a worker 25 or older.

Poverty rate

16.9%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Brookings Marital Status

35% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married35%35%36%
Never married55%59%51%
Divorced6%4%8%
Widowed3%2%4%
Separated1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201