States · New York · Jefferson County

Calcium, New York.

Typical home $228,608 (+7.7% in a year). Watertown-Fort Drum, NY metro.

What it costs per month · Calcium $1,200/mo

to buy the typical home at today's mortgage rate — +$632 (+111%) since Jan 2020.

What the home itself did
1 year
Up $16,438 +8%
$212,170$228,608 since Sep 2025
5 years
Up $49,877 +28%
$178,731$228,608 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 $2,500 2002 2006 2010 2014 2018 2022 2026 Calcium $1,200 New York $2,755 United States $1,922
$500 $1,000 $1,500 $2,000 $2,500 2002 2010 2018 2026
  • Calcium$1,200
  • New York$2,755
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 14 years.

Typical home values in Calcium, NY rose 7.7% over the past year — faster than the nation's +1.2%.

Living in Calcium, Jefferson County, New York

Calcium, in Jefferson County, had 3,573 people in the 2020 census. Half its households earn more than $57,668 a year and half less, against $66,301 across Jefferson County. 8% of its homes are lived in by their owners and 92% are rented. Unemployment in Jefferson County was 4.2% in August 2026, and the county had 0.6% more jobs in 2025 than the year before. The most people in Jefferson County work in schools and health care, then shops.

People 3,573 in the 2020 census; median age 24.9
Household income $57,668 the median, give or take $12,970 · Jefferson County: $66,301
Unemployment 4.2% Jefferson County, August 2026; 4.3% a year before
Homes 8% lived in by their owners; 92% rented

Written by AI Claude Sonnet 5.5 wrote this on 23 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.

What it’s like

The place. Calcium is a community in Jefferson County with a young population, far younger than most of the country, and household incomes below the county's. Very few homes are lived in by their owners, so this is a place of renters rather than long-settled homeowners. Winters are cold and very snowy, while summers are pleasantly warm, and precipitation is fairly steady through the year.

Work. Residents work mostly in schools, hospitals and social care, in shops, in restaurants, hotels and entertainment, and in government. Across Jefferson County, Samaritan Medical Center, the Indian River Central School District and the Carthage Central School District are among the largest workplaces. Commutes are short, and almost no one works from home.

Things to do. Thompson Park is a park a short drive away, and Watertown Speedway, a race track, is also close by. Farther afield, a longer drive brings you to the St. Lawrence River and to Wellesley Island State Park, a protected area. Smaller waters such as Trout Creek and Perch Lake are a short drive away too.

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  • 1,535households
  • 17%of adults have a degree
  • 17 mintypical commute
  • 0%work from home

What people in Jefferson County work in

  • Schools, hospitals and social care27%
  • Shops (retail)14%
  • Restaurants, hotels and entertainment10%
  • Government10%
  • Professional and business services7%
  • Manufacturing7%

Employed residents by industry, from the Census survey. Jefferson County had 40,563 jobs in 2025, 0.6% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 29° and 11°; warmest in July, 80° and 62° 20° 40° 60° 80° J 29° 11° F M A M J J 80° 62° A S O N D
Average daily high and low for each month: coldest in January, 29° and 11°; warmest in July, 80° and 62° 20° 40° 60° 80° J 29° 11° F M A M J J 80° 62° A S O N D

Coldest in January, with highs near 29° and lows near 11°; warmest in July, with highs near 80° and lows near 62°. About 116 inches of snow and 44 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Watertown weather station, 5 miles away (NOAA).

Largest workplaces in Jefferson County

  1. Samaritan Medical CenterGeneral hospital1,581FTE
  2. Indian River Central School DistrictSchool district770FTE
  3. Carthage Central School DistrictSchool district679FTE
  4. The Arc Jefferson-St LawrenceGroup homes, intellectual and developmental disability678
  5. Watertown City School DistrictSchool district637FTE
  6. Car-freshnerAirfreshners manufacturing490
  7. WalmartWarehouse clubs and supercenters381
  8. Carthage Area HospitalCritical access hospital367FTE

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 75 workplaces with 20 or more staff, 9,661 people in all across the county; Calcium has one of its own. Hospitals come from their Medicare cost reports (CMS, 2023) and school districts from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Winter weatherRelatively high
  2. Ice stormsRelatively moderate
  3. Strong windRelatively moderate
  4. Cold wavesRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Calcium’s census tracts, against the rest of the country; all of them together, very low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Jefferson County and the Watertown-Fort Drum, NY metro.

Calcium home values

Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.

$200,000 $300,000 $400,000 $500,000 2018 2020 2022 2024 2026 Calcium $228,608 New York $524,942 United States $366,157
$200,000 $300,000 $400,000 $500,000 2018 2022 2026
  • Calcium$228,608
  • New York$524,942
  • United States$366,157

When this market ran hot

Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.

JFMAMJJASOND
2026
2025
2024
2023
2022
2021
2020
2019
2018
falling flat warming hot overheating runaway

Zip codes with a Calcium address

A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Calcium — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.

Zip codes in Calcium