Herculaneum, Missouri

Population

Growing. Up 15.1% since 2020.

5,402

people, the 129th-largest of Missouri's cities and towns.

Census Population Estimates, 2025. Rank among Missouri's cities and towns computed by the Almanac. Sources: Census Population Estimates

The workday

Nearly every job here goes to someone who lives somewhere else.

96.2%

of 1,598 jobs located in Herculaneum are filled by in-commuters.

Census LEHD LODES, 2023. Sources: Census LEHD LODES

Rent

Median rent is up 279% since the 2005–2009 survey, before inflation.

$1,690

a month. Missouri's median is $1,033.

Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Sources: Census ACS 5-year

The seam

Cross one tract line and median rent doubles.

A $884 gap between neighbors, the sharpest rent edge between adjacent tracts in Jefferson County.

• $713 Tract 7005.03
• $1,597 Tract 7005.04

Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year

Room to build

The median rent is above what local wages can carry.

$892–$1,338

is the monthly rent range local workforce wages support.

• $1,690 median

Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year

Building

44% of the housing here was built before 2000.

• 523 homes permitted in ten years, 2016–2025
• 1% of those were in multifamily buildings
• 44% of all homes were built before 2000

Census Building Permits Survey, 2016–2025; Census ACS 5-year, 2020-2024. Sources: Census Building Permits Survey, Census ACS 5-year

Units needed

Closing the gap would add 0.1–0.8% to the 2,037 homes here.

2–16

is the estimated number of missing housing units, from the lowest to the highest of three estimates.

Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac

Home value

A median home costs 2% more than Missouri's.

$234,300

median home value in Herculaneum.

• $234,300 Herculaneum
• $230,300 Missouri
• $332,700 U.S.

Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year