Council chiefs in the area said 660 cases had been recorded since September 1 – with rate the virus is spreading in the borough now a "genuine concern".
Current restrictions in Stafford include the national rule of six and the 10pm curfew being imposed due to it sitting in Tier 1 of the Government's system.
But leaders have warned ministers are "likely to step in" if cases continue to rise with other rules – such as a ban on households mixing indoors – being enforced.
Dr Johnny McMahon, Staffordshire County Council's cabinet member for health, care and wellbeing, said: "Cases in Stafford are a genuine concern.
"People need to act now to prevent the risk of Covid-19 cases increasing further, which could lead to the government stepping in with additional restrictions.
"Simple measures do make a huge impact and by educating and encouraging all our communities there is a great chance to get the situation back under control."
Cases are increasing throughout the borough with transmissions identified within and between households, care homes, schools and businesses.
Councillor Patrick Farrington, leader of Stafford Borough Council, said: "We all have a responsibility to help prevent further restrictions being imposed on us and protect our community.
"We must adhere to the guidelines and follow advice that we are all familiar with now – such as washing your hands regularly, covering your face and making space between you and others.
"They are so basic, but they really can reduce the spread of infection.
"I’d urge residents and businesses to do everything they can to work together so we can stop the increase in cases we are seeing in our area."
Further Government restrictions could bump the area up to Tier 2 and in line with three parts of the Black Country – Wolverhampton, Sandwell and Walsall – which have the measures.
Further information and advice is available via www.staffordshire.gov.uk/coronavirus