Hartley County Population

1880–2026

4,838

2026 projection

9.3% since 2020 (decrease)

01K2K3K4K5K6K7K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Hartley County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,838-661.35%
20254,904-661.33%
20244,970-1462.85%
20235,116-1001.92%
20225,216-1713.17%
20215,387+500.94%
20205,337-1703.09%
20195,507-490.88%
20185,556-1452.54%
20175,701-320.56%

Showing 10 of 29 years.

Hartley County Demographics

38.7median age

Median age

Female36 yrs
Male40.8 yrs

Adults

4,055
832 seniors (65+) · 21% of adults3,223 other adults

Sex

Female 43.8% · 2,285Male 56.2% · 2,930

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 52 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

Hartley County Income

$75,841median household income

Median household income

$75,841

Half of households earn more, half earn less

Median earnings

$50,853

Typical yearly pay for a worker 25 or older.

Poverty rate

9.4%

About 1 in 11 residents

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

Hartley County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%43%61%
Never married31%42%14%
Divorced13%12%16%
Widowed5%2%9%
Separated1%2%1%

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