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Sibley city, IA

ZIP 51249 — 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 51249

51249 has a population of 3,588 with a median age of 42.4 yrs (52.9% male).

Race & Ethnicity
White
88.7%+44% vs US avg
x
Black
1.1%-91% vs US avg
x
Asian
1.3%-78% vs US avg
x
Hispanic
10.5%-44% vs US avg
x
Age Groups
0–17
24.5%+11% vs US avg
x
18–64
53.6%-13% vs US avg
x
65+
21.9%+35% vs US avg
x
Education
Less than HS
10.8%-3% vs US avg
x
High school
36.4%+39% vs US avg
x
Some college
33.8%+17% vs US avg
x
Bachelor's+
19.0%-44% vs US avg
x
Marital Status
Married
54.2%+13% vs US avg
x
Never married
26.8%-21% vs US avg
x
Divorced
12.0%+16% vs US avg
x
Widowed / Separated
7.0%
x
Diversity Index
20/100

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

Social & household profile

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

Poverty Rate
21.7%+89% vs US avg
x
Foreign Born
46.7%+236% vs US avg
x
Veterans
7.2%+19% vs US avg
x
Disability
13.0%-3% vs US avg
x
Single Parent
13.4%+65% vs US avg
x
Top ancestry
GermanDutchIrish

Health & Community Indicators in 51249

Poverty Rate
21.7%+89% vs US avg
x
Veterans
7.2%+19% vs US avg
x
Foreign Born
46.7%+236% vs US avg
x
Single Parent
13.4%+65% vs US avg
x
Disability
13.0%-3% vs US avg
x
Uninsured
10.1%+26% vs US avg
x
SNAP Benefits
8.0%-32% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population3,588
Median age42.4
Poverty rate21.7%
Demographics statistics
Demographics
White88.7%
Hispanic10.5%
Black1.1%
Asian1.3%
Foreign-born46.7%