Saline County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 48th-largest in Missouri
The population of Saline County, Missouri is 23,177 as of the 2023 American Community Survey, making it the 48th-largest county in Missouri. The median household income is $56,566, the median home value is $139,600, and the median age is 35.4.
The population of Saline County has declined 0.4% since 2010 (23,422 → 23,325), a -0.03% annualized rate.
23,177
Population
-0.03%
Annual growth
31
People / sq mi
$56,566
Median Income
$139,600
Median Home Value
Saline County covers 756 sq mi of land at 30.7 people per square mile.
About Saline County, MO
Saline County skews on age — the median resident is 35.4, younger than the national median. Saline County is a county in Missouri with a population of 23,177. It ranks #48 among counties in Missouri by population.
Household earnings are middling, with a median of $56,566 — below the US median of $78,538. Poverty runs at 9.9%, below the national 12.4%. Homes carry a median value of $139,600, with typical rent around $733.
Degree attainment is mid-range for US counties: 26.0% of adults hold a four-year degree, below the national 35.0%. Just 5.3% of workers are home-based, below the national 14.0%, and the average commute runs about 17 minutes each way.
Saline County Population History (2010-2024)
The county of Saline County had a population of 23,422 in 2010 and 23,325 in 2024, a -0.4% growth over 14 years. The peak was 23,547 in 2012. Average annual growth rate: -0.03%.
23,325
Population (2024)
23,422
Population (2010)
23,547
Peak (2012)
-0.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 23,422 |
| 2011 | 23,409 |
| 2012 | 23,547 |
| 2013 | 23,362 |
| 2014 | 23,408 |
| 2015 | 23,241 |
| 2016 | 23,126 |
| 2017 | 22,940 |
| 2018 | 22,907 |
| 2019 | 22,827 |
| 2020 | 23,339 |
| 2021 | 23,263 |
| 2022 | 23,016 |
| 2023 | 23,212 |
| 2024 | 23,325 |
Race & Ethnicity
| White | 79.8% |
| Black or African American | 4.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.1% |
Age & Sex
35.4
Median Age
49.2%
Female
50.8%
Male
17.5%
Age 65+
Age Distribution
Children (under 15): 17.8% · Seniors (65+): 17.5%
Income & Poverty
| Median household income | $56,566$-12,354 vs state |
| Mean household income | $74,941 |
| Per-capita income | $28,530 |
| Poverty rate | 9.9%+1.5% vs state |
| Unemployment rate | 1.5% |
| Employment-to-population | 58.2% |
Top Industries by Employment
The largest employment sector in Saline County is professional & business services, accounting for 23.3% of workers.
How residents commute
0.0%
Drive alone
4.3%
Carpool
79.7%
Public transit
5.3%
Work from home
16.9 min
Avg commute
Housing
$139,600$-76,000 vs state
Median home value
$733
Median rent
70.8%
Homeownership rate
9,833
Total housing units
81.4%
Occupied
18.6%
Vacant
29.2%
Renter-occupied
Social & access
92.2%
With health insurance
93.9%
With broadband internet
19.8%
Foreign-born
5.4%
Veterans (18+)
17.5%
With a disability
90.7%
Speak language other than English at home
Education
87.6%
High School+
26.0%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Saline County, Missouri has a population of 23,177 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 48th-largest county in Missouri. Population density is 31 people per square mile.
The population of Saline County has declined 0.4% since 2010 (23,422 → 23,325), a -0.03% annualized rate.
The median household income in Saline County, Missouri is $56,566, with mean (average) household income of $74,941 and per-capita income of $28,530. 9.9% of residents live below the federal poverty level.
In Saline County, the largest racial and ethnic groups are White (79.8%), Black or African American (4.7%), Hispanic or Latino (3.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Saline County, Missouri is 35.4 years. Residents are 49.2% female and 50.8% male.
The median home value in Saline County is $139,600 and median monthly rent is $733. 70.8% of occupied housing units are owner-occupied. The county has 9,833 total housing units, 18.6% of which are vacant.
The largest employment sector in Saline County, Missouri is professional, scientific, and management services, employing 23.3% of workers. The unemployment rate is 1.5%.
Kansas City is among the largest cities associated with Saline County, Missouri, with a population of 508,233.
Saline County, MO Climate
Saline County, MO has an average annual temperature of 12.2°C (54°F) and receives about 972 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.2°C
Avg Temp
972
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 36 mm |
| February | 0° / 33° | 35 mm |
| March | 6° / 44° | 74 mm |
| April | 13° / 55° | 96 mm |
| May | 18° / 64° | 121 mm |
| June | 23° / 73° | 110 mm |
| July | 25° / 78° | 94 mm |
| August | 24° / 76° | 88 mm |
| September | 20° / 68° | 110 mm |
| October | 14° / 57° | 91 mm |
| November | 6° / 43° | 70 mm |
| December | 0° / 32° | 47 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Saline County, MO
The most comfortable months to visit Saline County, MO are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -8°C low). May is usually the wettest month.
Where to stay near Saline County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.