Galesburg Population

1850–2026

28,267

2026 projection

5.6% since 2020 (decrease)

010K20K30K40K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 Galesburg. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202628,267-3141.10%
202528,581-1150.40%
202428,696-1500.52%
202328,846-4231.45%
202229,269-3491.18%
202129,618-3311.11%
202029,949-2330.77%
201930,182-2010.66%
201830,383-3591.17%
201730,742-1950.63%

Showing 10 of 33 years.

Galesburg Demographics

40.8median age

Median age

Female42.3 yrs
Male39.9 yrs

Adults

23,993
6,364 seniors · 27%17,629 other adults

Sex

Female 49.1% · 14,467Male 50.9% · 15,014

Population by age

MaleFemale85+ years, male: 30785+ years, female: 57180–84 years, male: 31580–84 years, female: 48475–79 years, male: 58975–79 years, female: 85770–74 years, male: 53570–74 years, female: 68465–69 years, male: 99665–69 years, female: 1,02660–64 years, male: 89060–64 years, female: 98755–59 years, male: 86955–59 years, female: 78850–54 years, male: 87450–54 years, female: 73545–49 years, male: 1,15345–49 years, female: 68540–44 years, male: 97140–44 years, female: 88835–39 years, male: 1,04335–39 years, female: 74730–34 years, male: 96530–34 years, female: 67325–29 years, male: 83925–29 years, female: 81020–24 years, male: 1,35520–24 years, female: 1,10415–19 years, male: 1,20615–19 years, female: 1,08210–14 years, male: 76910–14 years, female: 4965–9 years, male: 5815–9 years, female: 1,0300–4 years, male: 7570–4 years, female: 82085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

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 295 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

Galesburg Income

$48,297median household income

Median household income

$48,297

Half of households earn more, half earn less

Median earnings

$38,847

Typical yearly pay for a worker 25 or older.

Poverty rate

19.1%

About 1 in 5 residents

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

Galesburg 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%33%36%
Never married43%50%35%
Divorced13%12%15%
Widowed9%4%14%
Separated1%1%<1%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year