Smithfield, IL

Census ZIP code profile for Smithfield, IL — 1 ZIPs, total population 631. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Smithfield, IL is covered by 1 USPS ZIP code serving a combined population of 631 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Smithfield splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Smithfield, the median household income averages $60,938 and per-capita income averages $35,948. Poverty rate runs at 13.8% and unemployment at 24.9%. On housing, the average median home value is $103,600 with median rent of per month, and 86.5% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Smithfield against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Smithfield as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

Affordability Dashboard
Income, housing, safety, childcare — all in one view
View Dashboard →

1

ZIP Codes

631

Population

$60,938

Median Income

$103,600

Median Home Value

45.9

Median Age

How much do residents of Smithfield earn?

Median Household Income
$60,938
Per Capita Income
$35,948
Unemployment Rate
24.9%
Poverty Rate
13.8%

What does housing look like in Smithfield?

Median Home Value
$103,600
Owner Occupied
86.5%
Housing Units
223

Who lives in Smithfield?

Bachelor's Degree+
19.5%
High School+
60.4%
Foreign Born
0.0%

ZIP Codes in Smithfield, IL

ZIP Code Population Density Timezone
61477 631 5 America/Chicago

Frequently Asked Questions

How many ZIP codes are in Smithfield, IL?
Smithfield, IL has 1 ZIP code with a combined population of 631, based on Census ACS 2023 data.
What is the median household income in Smithfield?
The average median household income across Smithfield, IL ZIP codes is $60,938. The poverty rate is 13.8%.
What is the cost of living in Smithfield?
The average median home value in Smithfield, IL is $103,600. 86.5% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.