Merriam Population

1960–2026

11,614

2026 projection

4.6% since 2020 (increase)

02K4K6K8K10K12K1960197019801990200020102020

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 Merriam. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202611,614+1050.91%
202511,509-20.02%
202411,511+6826.30%
202310,829-620.57%
202210,891-1030.94%
202110,994-1040.94%
202011,098+220.20%
201911,076-1211.08%
201811,197-240.21%
201711,221-390.35%

Showing 10 of 22 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

Merriam is growing faster than Kansas and the U.S., and slower than Johnson County.

  • Johnson County+4.2%
  • Merriam+3.8%
  • United States+3.1%
  • Kansas+1.3%

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.

Merriam Demographics

39.3median age

Median age

Female42.4 yrs
Male35.9 yrs

Adults

9,114
2,070 seniors (65+) · 23% of adults7,044 other adults

Sex

Female 49.2% · 5,455Male 50.8% · 5,630

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 111 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

Merriam Income

$73,600median household income

Median household income

$73,600

Half of households earn more, half earn less

Median earnings

$53,783

Typical yearly pay for a worker 25 or older.

Poverty rate

6%

About 1 in 17 residents

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

Merriam Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%47%45%
Never married35%39%31%
Divorced14%12%16%
Widowed4%<1%6%
Separated1%<1%2%

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