Northfield Population

1880–2026

22,268

2026 projection

6.9% since 2020 (increase)

05K10K15K20K25K18801900192019401960198020002020

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 Northfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202622,268+2761.26%
202521,992+590.27%
202421,933+3581.66%
202321,575+5372.55%
202221,038+1890.91%
202120,849+230.11%
202020,826+520.25%
201920,774+1100.53%
201820,664+1140.55%
201720,550+690.34%

Showing 10 of 30 years.

Northfield Demographics

28.2median age

Median age

Female24.3 yrs
Male32.1 yrs

Adults

17,168
3,353 seniors · 20%13,815 other adults

Sex

Female 52.1% · 10,812Male 47.9% · 9,930

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 207 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

Northfield Income

$84,895median household income

Median household income

$84,895

Half of households earn more, half earn less

Median earnings

$56,157

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

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

Northfield Marital Status

38% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married38%41%35%
Never married48%46%50%
Divorced8%8%8%
Widowed4%2%6%
Separated1%2%<1%

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