What public records measure around the center of ZIP 01803 in Middlesex County, Massachusetts for a gym: households and income, jobs within reach, resident spending and the gyms already mapped there. Whether a particular address fits is a question about that address; check one free below.
ZIP 01803, Middlesex County, Massachusetts
Gym. Measured from the center of the ZIP, not an address. ZIP 01803 covers 11 square miles, so its edges are about 2 miles from the center. Jobs and competitors are counted within a mile of the center and resident spending within 3 miles; the household figures beside are for the whole ZIP. Checked Oct 22, 2026.
ZIP 01803
9,974 households
Median household income
$146,436
Residents
26,274
Gyms with employees, 2023
11
What stands out
Few jobs within a short walk
20Jobs
4,032Households
20 jobs are within a 5-minute walk (0.25 mile) and 2,268 within 10 minutes (0.5 mile), from Census workplace records for 2023.
A typical amount of nearby competition
3Similar businesses
0.26 miNearest rival
Overture's places data lists 3 boxing, cycling, boot camp and training studios and gyms and fitness centers within half a mile (2 chain, 0 local multi-location and 1 independent) and 6 within a mile.
What spending nearby can support
$274KMiddle-case sales
$3,400Rent the middle case supports
Spending near the center of this ZIP supports an estimated $166,000 to $463,000 a year in sales for this business (middle case $274,000).
Unnamed major collector carries about 7,638 vehicles a day
7,638Vehicles a day
10,416Busiest road nearby
The nearest counted roads are Unnamed major collector, 7,638 vehicles a day (FHWA HPMS 2021), about 290 feet away and Unnamed minor arterial, 10,416 vehicles a day (FHWA HPMS 2021), about 410 feet away.
Measured around the center of ZIP 01803
Computed from public records at this location
What the center of ZIP 01803 can sell each year
Middle case$274K
Sales a year, planning range
Low case$166K
High case$463K
Rivals within 3.5 mi54
Healthy share for this business
10% to 15%
Base rent the ZIP center supports
$1,400 to $5,800 a month
Resident, worker and student spending near the ZIP center, shared among competitors by distance (Huff model). A planning range with stated assumptions, not a forecast.
Competition
Competitors within half a mile3
44th percentile for nearby competition among 2,627 similar businesses in the Boston-Cambridge-Newton metro area
Near the metro median of 3
Within a quarter mile0
Within 1 mile6
Nearest competitors
Competitor 1Independent1,390 ft
Competitor 2Chain2,260 ft
Competitor 3Chain2,410 ft
Competitor 4Independent2,740 ft
Competitor 5Chain3,680 ft
Overture Maps Foundation places, 2026-09-23.1. Listings, not verified hours or menus.
Jobs within walking distance
10-minute walk2,268
Jobs at workplaces within half a mile
5-minute walk20
Within 1 mile10,253
Office-type, half mile308
Largest employers within a 10-minute walk
Education1,100
Food service and lodging266
Public administration178
Health care137
Arts and recreation134
Census LEHD workplace records, jobs as of 2023. Straight-line distances. Office attendance is still roughly half to 60% of 2020 levels. Jobs are workplaces, not visits.
Traffic on nearby roads
Vehicles a day on Unnamed Major Collector7,638
Nearest counted road, 2021 count
Busiest nearby, Unnamed Minor Arterial10,416
Other counted roads nearby
Unnamed Minor Arterial (pandemic year)410 ft10,416
State DOT and FHWA annual average daily traffic, both directions. Vehicles, not foot traffic.
What an address adds
The free check of an addressThe same measurements within a short walk of one address in 01803: who lives and works right there, the competition on that block and the traffic on its road. No account.
The full reportFor one address: whether the rules allow a gym there, the rent the location supports against the asking rent, what has opened and closed nearby, and the questions to settle before signing.
The gym check reads the same public records at the address itself.
Sources: Overture Maps Foundation: Places (Overture Places release 2026-09-23.1); DoorWorthy demand model: resident, worker and student spending shared among competitors (ACS 2020-2024; 2020 Census; BLS CE 2024; prices 2026-08); U.S. Census Bureau: ACS (ACS 2020-2024 five-year estimates); U.S. Census Bureau Gazetteer: ZIP Code Tabulation Area center (ZCTA internal point; land area 11 square miles); U.S. Census ACS households by income with BLS Consumer Expenditure Survey spending (ACS 2020-2024; 2020 Census; BLS CE 2024; prices 2026-08); FHWA Highway Performance Monitoring System (Annual average daily traffic, latest count 2021); U.S. Census Bureau: LEHD LODES workplace jobs (LODES8 workplace area characteristics, jobs as of 2023); U.S. Census Bureau ZIP Code Business Patterns 2023 (establishments with paid employees). Listings and counts are public records, not visits or sales in this ZIP.
Questions about ZIP 01803.
11 gyms with paid employees in 2023 (Census ZIP Code Business Patterns), and 6 mapped within about a mile of the center.
26,274 residents in 9,974 households, with a median household income of $146,436 (ACS 2020-2024 five-year estimates).
10,253 jobs within a mile of the center in 2023 (Census LODES workplace records).
This page measures the area around the ZIP's center. Whether a specific address allows a gym, what it rents for and who is next door is what the free address check and the full report look at.
