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Castleford city, ID

ZIP 83321 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 83321

83321 has a population of 424 with a median age of 40.6 yrs (61.3% male).

Race & Ethnicity
White
65.1%+6% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
44.1%+136% vs US avg
x
Age Groups
0–17
20.1%-9% vs US avg
x
18–64
57.5%-7% vs US avg
x
65+
22.4%+37% vs US avg
x
Education
Less than HS
18.8%+69% vs US avg
x
High school
25.4%-3% vs US avg
x
Some college
24.2%-16% vs US avg
x
Bachelor's+
31.5%-6% vs US avg
x
Marital Status
Married
69.8%+45% vs US avg
x
Never married
19.8%-42% vs US avg
x
Divorced
8.4%-18% vs US avg
x
Widowed / Separated
2.0%
x
Diversity Index
38/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
9.6%-17% vs US avg
x
Foreign Born
18.3%+32% vs US avg
x
Veterans
5.9%-2% vs US avg
x
Disability
10.1%-24% vs US avg
x
Single Parent
11.2%+38% vs US avg
x
Recent Births
57.7%+895% vs US avg
x
Top ancestry
EnglishGermanFinnish

Health & Community Indicators in 83321

Poverty Rate
9.6%-17% vs US avg
x
Veterans
5.9%-2% vs US avg
x
Foreign Born
18.3%+32% vs US avg
x
Single Parent
11.2%+38% vs US avg
x
Disability
10.1%-24% vs US avg
x
Uninsured
10.6%+33% vs US avg
x
SNAP Benefits
5.8%-51% vs US avg
x
Private School
0.0%
x
Recent Births
57.7%+895% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population424
Median age40.6
Poverty rate9.6%
Demographics statistics
Demographics
White65.1%
Hispanic44.1%
Black0.0%
Asian0.0%
Foreign-born18.3%