Northfield Population

1920–2026

3,630

2026 projection

2.6% since 2020 (increase)

01K2K3K4K5K192019401960198020002020

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.
20263,630+130.36%
20253,617+250.70%
20243,592+160.45%
20233,576+100.28%
20223,566+110.31%
20213,555+160.45%
20203,539-1203.28%
20193,659-40.11%
20183,663-20.05%
20173,665+20.05%

Showing 10 of 26 years.

Northfield Demographics

41.8median age

Median age

Female45.6 yrs
Male39 yrs

Adults

2,824
659 seniors · 23%2,165 other adults

Sex

Female 49.6% · 1,759Male 50.4% · 1,784

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 35 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

$70,917median household income

Median household income

$70,917

Half of households earn more, half earn less

Median earnings

$45,283

Typical yearly pay for a worker 25 or older.

Poverty rate

12.4%

About 1 in 8 residents

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

Northfield Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%59%53%
Never married24%33%15%
Divorced12%5%18%
Widowed7%<1%13%
Separated2%2%1%

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