Northfield Population

1910–2026

8,509

2026 projection

0.7% since 2020 (increase)

02K4K6K8K10K192019401960198020002020

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.
20268,509+130.15%
20258,496-70.08%
20248,503+450.53%
20238,458+40.05%
20228,454+320.38%
20218,422-260.31%
20208,448+4155.17%
20198,033-460.57%
20188,079-500.62%
20178,129-730.89%

Showing 10 of 27 years.

Northfield Demographics

43.7median age

Median age

Female47.9 yrs
Male40.9 yrs

Adults

6,862
1,648 seniors · 24%5,214 other adults

Sex

Female 50.9% · 4,305Male 49.1% · 4,151

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 85 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

$111,599median household income

Median household income

$111,599

Half of households earn more, half earn less

Median earnings

$63,090

Typical yearly pay for a worker 25 or older.

Poverty rate

4.6%

About 1 in 22 residents

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

Northfield Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%52%53%
Never married29%37%20%
Divorced13%9%16%
Widowed6%1%11%
Separated<1%<1%<1%

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