What stands out worked out from the figures below

Middlefield has the oldest population (median age 56.9).

Brookfield has the most kids (18.8% under 18).

What matters to you?

Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.

Raising kidsAffordabilityOwning a homeShort commuteWorking from homeYounger crowdSettled, older crowdGrowing town

Measure	Middlefield	Brookfield
People
Population	352Lowest	1,486Highest
Growth since 20102010 → 2020 census	-26.1%Lowest U.S.: +7.4%	-3.7%Highest U.S.: +7.4%
Median age	56.9±3.7Highest 46% above U.S.	47±5.9Lowest 21% above U.S.
Kids under 18	4.5%±9.5Lowest U.S.: 22%	18.8%±4.1Highest U.S.: 22%
Age 65+	28.7%±8.5Lowest U.S.: 17.2%	29.7%±6.4Highest U.S.: 17.2%
	Brookfield and Middlefield are within the Census margin of error here, so we can’t say which is really higher.
Bachelor’s degree+adults 25+	31.8%Lowest U.S.: 35.7%	45.3%Highest U.S.: 35.7%
Enrolled in collegeshare of residents	2.8%±4.8Lowest U.S.: 6.4%	3.2%±2.4Highest U.S.: 6.4%
	Brookfield and Middlefield are within the Census margin of error here, so we can’t say which is really higher.
Cost of living
Household incomemedian	$103,750±$23kHighest 29% above U.S.	$98,500±$23kLowest 22% above U.S.
	Middlefield and Brookfield are within the Census margin of error here, so we can’t say which is really higher.
Home valuemedian, owner-occupied	$332,800±$48kLowest about the U.S. average	$339,300±$15kHighest about the U.S. average
	Brookfield and Middlefield are within the Census margin of error here, so we can’t say which is really higher.
Rentmedian gross, monthly	$2,625±$1kHighest 86% above U.S.	$975±$306Lowest 31% below U.S.
	Middlefield and Brookfield are within the Census margin of error here, so we can’t say which is really higher.
Property taxmedian, yearly	$4,926Highest 58% above U.S.	$4,560Lowest 46% above U.S.
Renters paying 30%+of income on rent	100%±100Highest U.S.: 51.1%	30.4%±27.8Lowest U.S.: 51.1%
	Middlefield and Brookfield are within the Census margin of error here, so we can’t say which is really higher.
Below poverty line	12.2%Highest U.S.: 12.5%	6.3%Lowest U.S.: 12.5%
Housing
Homeownersof occupied homes	94.1%Highest U.S.: 65.2%	87.9%Lowest U.S.: 65.2%
Typical home builtmedian year	1971Lowest 9 yrs older than U.S.	1975Highest 5 yrs older than U.S.
Getting to work
Average commuteone way	30 minLowest 13% above U.S.	37 minHighest 38% above U.S.
Work from home	13.2%±9.2Lowest U.S.: 15.1%	27.3%±10.4Highest U.S.: 15.1%
	Brookfield and Middlefield are within the Census margin of error here, so we can’t say which is really higher.
Schools
School district	—	Orange Southwest Unified Union School District #59
High school in town	—	None in town
On TownTapestry
Old photos in History	None yet	None yet

U.S. average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.