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Big Rock CDP, IA

ZIP 52745 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 52745

52745 has a population of 435 with a median age of 55.2 yrs (52.6% male).

Race & Ethnicity
White
96.3%+56% vs US avg
x
Black
2.3%-81% vs US avg
x
Asian
0.0%
x
Hispanic
1.4%-93% vs US avg
x
Age Groups
0–17
13.3%-39% vs US avg
x
18–64
61.1%-1% vs US avg
x
65+
25.5%+57% vs US avg
x
Education
Less than HS
2.7%-76% vs US avg
x
High school
37.8%+44% vs US avg
x
Some college
34.8%+21% vs US avg
x
Bachelor's+
24.6%-27% vs US avg
x
Marital Status
Married
60.9%+27% vs US avg
x
Never married
24.4%-28% vs US avg
x
Divorced
9.5%-8% vs US avg
x
Widowed / Separated
5.1%
x
Diversity Index
7/100

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

Social & household profile

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

Poverty Rate
6.7%-42% vs US avg
x
Foreign Born
0.0%
x
Veterans
6.1%+2% vs US avg
x
Disability
10.8%-19% vs US avg
x
Single Parent
10.7%+32% vs US avg
x
Recent Births
85.7%+1378% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 52745

Poverty Rate
6.7%-42% vs US avg
x
Veterans
6.1%+2% vs US avg
x
Foreign Born
0.0%
x
Single Parent
10.7%+32% vs US avg
x
Disability
10.8%-19% vs US avg
x
Uninsured
3.9%-51% vs US avg
x
SNAP Benefits
7.9%-33% vs US avg
x
Private School
0.0%
x
Recent Births
85.7%+1378% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population435
Median age55.2
Poverty rate6.7%
Demographics statistics
Demographics
White96.3%
Hispanic1.4%
Black2.3%
Asian0.0%
Foreign-born0.0%