The Town Files

Spencer Brook, Minnesota

Township in Isanti County · population 1,670 (2020 Census)

Map: where Spencer Brook is in MinnesotaSpencer Brook
Median home
$338,300
Household income
$103,818
Jan low / Jul high
4° / 82°
Snow a year
53 in
Tornadoes ≤10 mi since 1950
9
Median age
39.8

Spencer Brook is a township of 1,670 people in Isanti County, Minnesota. The median home is worth $338,300, above the typical Minnesota town ($301,800). It ranks easier by car than 96% of Minnesota towns, quieter than 91% of Minnesota towns, better for families than 86% of Minnesota towns.

How Spencer Brook ranks

Percentile among Minnesota towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Minnesota towns.

Spencer Brook lifestyle rankings vs other Minnesota townsRetirement33rd pctFamilies86th pctQuiet91st pctWalkability29th pctFirst-time buyersbottomYoung professionals5th pctVibrancy23rd pctHip & trendy14th pctCollege town18th pctUpscale51st pctVacation homes78th pctSeaside characterbottomCycling71st pctTransitbottomDriving96th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Spencer Brook is worth $338,300, above the typical Minnesota town ($301,800). Homes cost about 3.3 times the median household income of $103,818, which is more affordable than 55% of Minnesota towns. 97.7% of households own their home.

Spencer Brook vs Isanti County vs typical Minnesota townSpencer BrookIsanti CountyTypical Minnesota townHome value$338,300$306,200$301,800Household income$103,818$87,440$87,375
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Minnesota towns with 500+ people.
HousingSpencer BrookTypical Minnesota town
Median home value$338,300$301,800
Median rent—$991
Median household income$103,818$87,375
Home value ÷ income3.3×3.4×
Homeownership97.7%88.6%
Median year built19781979
Seasonal / vacation homes7.6%—

Who lives in Spencer Brook

PeopleSpencer BrookTypical Minnesota town
Median age39.842.7
Age 65 and over15.0%20.0%
Under 1830.5%—
Bachelor's degree or higher17.2%26.2%
Below the poverty line5.6%6.9%
Veterans6.6%—
Born outside the U.S.2.6%—
Work from home9.4%11.1%
Average commute34.3 min24.5 min
Homes with broadband90.9%90.2%

Weather in Spencer Brook

July highs average 81.8°F and January lows 3.6°F. About 29.7 inches of rain and melted snow fall a year, with 52.6 inches of snow (typical Minnesota town: 47.0 in). Expect about 5 days a year at 90°F or hotter and 171 nights at or below freezing.

Spencer Brook monthly temperatures and precipitation0°10°20°30°40°50°60°70°80°90°32° freezing22°4°Jan27°7°Feb40°20°Mar56°34°Apr69°46°May77°57°Jun82°61°Jul80°58°Aug72°50°Sep58°37°Oct41°25°Nov27°11°DecPrecipitation (in) · snow (in) in blue0.79.90.710.41.49.32.73.63.64.24.23.63.12.80.61.67.11.011.6
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Cambridge station (10.9 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

9 tornadoes have passed within 10 miles of Spencer Brook since 1950, compared with 14 for the typical Minnesota town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on June 13, 1981 about 4.9 miles from the town center. The most recent was on March 6, 2017.

Tornadoes within 10 miles of Spencer Brook by decade01950s11960s11970s11980s31990s12000s22010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 68 times; the largest was 4.00 inches on August 27, 1990.

Severe weather in Isanti County since 1996

Storm events in Isanti County since 1996 by typeHail93Heat6Tornado7Heavy Rain10Heavy Snow10Flash Flood5Winter Storm65Excessive Heat6
NOAA Storm Events Database, Isanti County, 1996–2026 (all event types recorded since 1996).

Isanti County has been included in 10 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
April 7, 2020BiologicalDR-4531: Covid-19 Pandemic
March 13, 2020BiologicalEM-3453: Covid-19
July 28, 2011Severe StormDR-4009: Severe Storms, Flooding, And Tornadoes
September 13, 2005HurricaneEM-3242: Hurricane Katrina Evacuation
May 16, 2001FloodDR-1370: Severe Winter Storms, Flooding, And Tornadoes

Jobs and pay in Isanti County

Isanti County had 11,704 jobs in 2024, paying an average of $49,899 a year. Unemployment was 3.8% in 2023; in Spencer Brook itself the ACS puts it at 1.5%.

Largest industries in Isanti CountyHealth care & social assistan…2,218 jobs · $54,659Retail2,134 jobs · $32,646Manufacturing1,212 jobs · $66,192Hotels & restaurants1,173 jobs · $18,398Construction728 jobs · $60,853Other services382 jobs · $35,098
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Isanti County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Isanti 3.8%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Spencer Brook

Spencer Brook questions

Is Spencer Brook, Minnesota a good place to retire?

On The Town Files lifestyle rankings, Spencer Brook scores better for retirees than 33% of Minnesota towns and quieter than 91%. 15.0% of residents are 65 or older (median age 39.8).

How much does a house cost in Spencer Brook?

The median owner-occupied home in Spencer Brook is valued at $338,300 (Census ACS 2020–2024), against a median household income of $103,818, so homes cost about 3.3 times income. Median rent is — a month.

What is the weather like in Spencer Brook?

July highs average 81.8°F and January lows 3.6°F (NOAA 1991–2020 normals). It gets about 29.7 inches of precipitation a year and 52.6 inches of snow.

Does Spencer Brook get tornadoes?

9 tornadoes have passed within 10 miles of Spencer Brook since 1950 (NOAA Storm Events); the strongest was a F2 on June 13, 1981. The typical Minnesota town has had 14.

How this page is made. Every number comes from public data, matched to Spencer Brook's Census boundary (GEOID 2705961672). Comparisons use the median of Minnesota towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.